CISCO-SA-ISE-MULTI-VULN-KWLENNRD

Vulnerability from csaf_cisco - Published: 2026-09-16 16:00 - Updated: 2026-09-16 16:00
Summary
Cisco Identity Services Engine 802.1X Session Hijack and Information Disclosure Vulnerabilities
Notes
Summary: Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an unauthenticated, local attacker to either conduct an authentication bypass or disclose sensitive information. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-jfxK98ZP"]. In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026 ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T"].
Vulnerable Products: At the time of publication, these vulnerabilities affected Cisco ISE, regardless of device configuration. For information about which Cisco software releases were vulnerable at the time of publication, see the Fixed Software ["#fs"] section of this advisory. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.
Products Confirmed Not Vulnerable: Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by this vulnerability. Cisco has confirmed that these vulnerabilities do not affect Cisco ISE Passive Identity Connector (ISE-PIC).
Details: The vulnerabilities are not dependent on one another. Exploitation of one of the vulnerabilities is not required to exploit the other vulnerability. In addition, a software release that is affected by one of the vulnerabilities may not be affected by the other vulnerability. Details about the vulnerabilities are as follows: CVE-2026-20072: Cisco ISE Information Disclosure Vulnerability A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to obtain sensitive information from network users that are outside the security group that the attacker is assigned to. This vulnerability exists because certain files lack proper authorization enforcement. An attacker with administrative privileges and management rights over network users could exploit this vulnerability by exporting the users. A successful exploit could allow the attacker to view passwords that are normally not visible to administrators. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. Bug ID(s): CSCwp98024 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwp98024"] CVE ID: CVE-2026-20072 SIR: Medium CVSS Base Score: 4.9 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVE-2026-20071: Cisco ISE Session Takeover Vulnerability A vulnerability in the SSID bring-your-own-device (BYOD) onboarding workflow of Cisco ISE could allow an unauthenticated, adjacent attacker to hijack the onboarding session of another user and access protected 802.1X networks. This vulnerability is due to insufficient authentication checks that are performed while a user is being onboarded. An attacker could exploit this vulnerability by spoofing the legitimate user and triggering a redirection to the guest web portal. A successful exploit could allow the attacker to take over the user session and gain access to the protected 802.1X network. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. Bug ID(s): CSCwp98022 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwp98022"] CVE ID: CVE-2026-20071 SIR: Medium CVSS Base Score: 3.8 CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Workarounds: There are no workarounds that address these vulnerabilities.
Fixed Software: Cisco considers any workarounds and mitigations to be temporary solutions until an upgrade to a fixed software release is available. To remediate these vulnerabilities and avoid future exposure as described in this advisory, Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory. Fixed Releases At the time of publication, the release information in the following table was accurate. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information. The left column lists Cisco software releases. The center and right columns indicate whether a release was affected by these vulnerabilities and the first release that includes the fix for these vulnerabilities. Cisco ISE Release First Fixed Release for CVE-2026-20071 First Fixed Release for CVE-2026-20072 3.1 and earlier Migrate to a fixed release. Migrate to a fixed release. 3.2 Migrate to a fixed release. 3.2 Patch 8 3.3 3.3 Patch 12 3.3 Patch 8 3.4 3.4 Patch 7 3.4 Patch 7 3.5 3.5 Patch 4 3.5 Patch 3 For instructions on upgrading a device, see the Upgrade Guides on the Cisco Identity Service Engine ["https://www.cisco.com/c/en/us/support/security/identity-services-engine/series.html"] support page. The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.
Vulnerability Policy: To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco. For additional information on Cisco's vulnerability management, disclosure cadence, and software patching strategy, see Cisco's Transition to a Risk-Based Vulnerability Disclosure Model ["https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure"].
Exploitation and Public Announcements: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
Source: Cisco would like to thank Dennis Carlson and Andres Lara of Abacus for reporting these vulnerabilities.
Legal Disclaimer: SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT The Cisco Support and Downloads ["https://www.cisco.com/c/en/us/support/index.html"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid. Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade. When considering software upgrades ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], customers are advised to regularly consult the advisories ["https://www.cisco.com/go/psirt"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"] or their contracted maintenance providers. LEGAL DISCLAIMER DETAILS CISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME. Copies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories ["https://www.cisco.com/go/psirt"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"] for more information.
Affected products
Product Identifier Version Remediation
Unresolved product id: CSAFPID-111903 —
Vendor Fix fix
3.1.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p4
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p5
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p6
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p7
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p4
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p8
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p5
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p9
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p6
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p7
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 4
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p10
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 5
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 6
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 7
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.5.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2 Patch 8
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 8
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 4
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 9
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.5 Patch 1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2 Patch 9
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 5
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 10
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.5 Patch 2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.5 Patch 3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 11
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p11
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2 Patch 10
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 6
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 12
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
Affected products
Product Identifier Version Remediation
Unresolved product id: CSAFPID-111903 —
Vendor Fix fix
3.1.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p4
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p5
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p6
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p7
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p4
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p8
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p5
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p9
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p6
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.2.0 p7
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 4
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p10
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 5
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 6
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.3 Patch 7
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.5.0
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 4
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.5 Patch 1
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 5
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.5 Patch 2
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.5 Patch 3
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.1.0 p11
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
3.4 Patch 6
Cisco / Cisco Identity Services Engine Software
—
Vendor Fix fix
Acknowledgments

{
  "document": {
    "acknowledgments": [
      {
        "summary": "Cisco would like to thank Dennis Carlson and Andres Lara of Abacus for reporting these vulnerabilities."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an unauthenticated, local attacker to either conduct an authentication bypass or disclose sensitive information.\r\n\r\nFor more information about these vulnerabilities, see the Details [\"#details\"] section of this advisory.\r\n\r\nCisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.\r\n\r\n\r\n\r\nThis advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-jfxK98ZP\"]. In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026 [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T\"].",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "At the time of publication, these vulnerabilities affected Cisco ISE, regardless of device configuration.\r\n\r\nFor information about which Cisco software releases were vulnerable at the time of publication, see the Fixed Software [\"#fs\"] section of this advisory. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.",
        "title": "Vulnerable Products"
      },
      {
        "category": "general",
        "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.\r\n\r\nCisco has confirmed that these vulnerabilities do not affect Cisco ISE Passive Identity Connector (ISE-PIC).",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "The vulnerabilities are not dependent on one another. Exploitation of one of the vulnerabilities is not required to exploit the other vulnerability. In addition, a software release that is affected by one of the vulnerabilities may not be affected by the other vulnerability.\r\n\r\nDetails about the vulnerabilities are as follows:\r\n\r\nCVE-2026-20072: Cisco ISE Information Disclosure Vulnerability\r\n\r\nA vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to obtain sensitive information from network users that are outside the security group that the attacker is assigned to.\r\n\r\nThis vulnerability exists because certain files lack proper authorization enforcement. An attacker with administrative privileges and management rights over network users could exploit this vulnerability by exporting the users. A successful exploit could allow the attacker to view passwords that are normally not visible to administrators.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\nBug ID(s): CSCwp98024 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwp98024\"]\r\nCVE ID: CVE-2026-20072\r\nSIR: Medium\r\nCVSS Base Score: 4.9\r\nCVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N\r\n\r\nCVE-2026-20071: Cisco ISE Session Takeover Vulnerability\r\n\r\nA vulnerability in the SSID bring-your-own-device (BYOD) onboarding workflow of Cisco ISE could allow an unauthenticated, adjacent attacker to hijack the onboarding session of another user and access protected 802.1X networks.\r\n\r\nThis vulnerability is due to insufficient authentication checks that are performed while a user is being onboarded. An attacker could exploit this vulnerability by spoofing the legitimate user and triggering a redirection to the guest web portal. A successful exploit could allow the attacker to take over the user session and gain access to the protected 802.1X network.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\nBug ID(s): CSCwp98022 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwp98022\"]\r\nCVE ID: CVE-2026-20071\r\nSIR: Medium\r\nCVSS Base Score: 3.8\r\nCVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
        "title": "Details"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address these vulnerabilities.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "Cisco considers any workarounds and mitigations to be temporary solutions until an upgrade to a fixed software release is available. To remediate these vulnerabilities and avoid future exposure as described in this advisory, Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.\r\n  Fixed Releases\r\nAt the time of publication, the release information in the following table was accurate. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.\r\n\r\nThe left column lists Cisco software releases. The center and right columns indicate whether a release was affected by these vulnerabilities and the first release that includes the fix for these vulnerabilities.\r\n        Cisco ISE Release  First Fixed Release for CVE-2026-20071  First Fixed Release for CVE-2026-20072          3.1 and earlier  Migrate to a fixed release.  Migrate to a fixed release.      3.2  Migrate to a fixed release.  3.2 Patch 8      3.3  3.3 Patch 12  3.3 Patch 8      3.4  3.4 Patch 7  3.4 Patch 7      3.5  3.5 Patch 4  3.5 Patch 3\r\nFor instructions on upgrading a device, see the Upgrade Guides on the Cisco Identity Service Engine [\"https://www.cisco.com/c/en/us/support/security/identity-services-engine/series.html\"] support page.\r\n\r\nThe Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.\r\n\r\nFor additional information on Cisco\u0027s vulnerability management, disclosure cadence, and software patching strategy, see Cisco\u0027s Transition to a Risk-Based Vulnerability Disclosure Model [\"https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure\"].",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "Cisco would like to thank Dennis Carlson and Andres Lara of Abacus for reporting these vulnerabilities.",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT\r\n\r\nThe Cisco Support and Downloads [\"https://www.cisco.com/c/en/us/support/index.html\"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid.\r\n\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories [\"https://www.cisco.com/go/psirt\"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"] or their contracted maintenance providers.\r\nLEGAL DISCLAIMER DETAILS\r\n\r\nCISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nCopies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories [\"https://www.cisco.com/go/psirt\"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] for more information.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@cisco.com",
      "issuing_authority": "Cisco PSIRT",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco Identity Services Engine 802.1X Session Hijack and Information Disclosure Vulnerabilities",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multi-vuln-kWLeNnRD"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Cisco Advance Notification for Publication of September 16, 2026, Security Advisories",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-jfxK98ZP"
      },
      {
        "category": "external",
        "summary": "Cisco Identity Services Engine Security Hardening Release: September 2026",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T"
      },
      {
        "category": "external",
        "summary": "CSCwp98024",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwp98024"
      },
      {
        "category": "external",
        "summary": "CSCwp98022",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwp98022"
      },
      {
        "category": "external",
        "summary": "Cisco Identity Service Engine",
        "url": "https://www.cisco.com/c/en/us/support/security/identity-services-engine/series.html"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Cisco\u0027s Transition to a Risk-Based Vulnerability Disclosure Model",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure"
      },
      {
        "category": "external",
        "summary": "Cisco Support and Downloads",
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        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.3 Patch 7 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-306464:277469"
        },
        "product_reference": "CSAFPID-306464",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.3 Patch 8 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-306843:277469"
        },
        "product_reference": "CSAFPID-306843",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.3 Patch 9 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-306924:277469"
        },
        "product_reference": "CSAFPID-306924",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.3 Patch 10 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-307183:277469"
        },
        "product_reference": "CSAFPID-307183",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.3 Patch 11 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-308420:277469"
        },
        "product_reference": "CSAFPID-308420",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.3 Patch 12 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-309125:277469"
        },
        "product_reference": "CSAFPID-309125",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.4.0 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-302760:277469"
        },
        "product_reference": "CSAFPID-302760",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.4 Patch 1 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-303199:277469"
        },
        "product_reference": "CSAFPID-303199",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.4 Patch 2 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-305360:277469"
        },
        "product_reference": "CSAFPID-305360",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.4 Patch 3 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-306583:277469"
        },
        "product_reference": "CSAFPID-306583",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.4 Patch 4 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-306844:277469"
        },
        "product_reference": "CSAFPID-306844",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.4 Patch 5 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-307182:277469"
        },
        "product_reference": "CSAFPID-307182",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.4 Patch 6 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-308532:277469"
        },
        "product_reference": "CSAFPID-308532",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.5.0 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-306647:277469"
        },
        "product_reference": "CSAFPID-306647",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.5 Patch 1 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-306925:277469"
        },
        "product_reference": "CSAFPID-306925",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.5 Patch 2 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-307184:277469"
        },
        "product_reference": "CSAFPID-307184",
        "relates_to_product_reference": "CSAFPID-277469"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Cisco Identity Services Engine Software 3.5 Patch 3 when installed on Cisco Identity Services Engine",
          "product_id": "CSAFPID-307185:277469"
        },
        "product_reference": "CSAFPID-307185",
        "relates_to_product_reference": "CSAFPID-277469"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-20071",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwp98022"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-111903",
          "CSAFPID-284330",
          "CSAFPID-286349",
          "CSAFPID-286928",
          "CSAFPID-286939",
          "CSAFPID-290540",
          "CSAFPID-290542",
          "CSAFPID-292629",
          "CSAFPID-292670",
          "CSAFPID-295313",
          "CSAFPID-295423",
          "CSAFPID-299948",
          "CSAFPID-299950",
          "CSAFPID-300260",
          "CSAFPID-300852",
          "CSAFPID-301107",
          "CSAFPID-301471",
          "CSAFPID-301743",
          "CSAFPID-301744",
          "CSAFPID-302653",
          "CSAFPID-302654",
          "CSAFPID-302655",
          "CSAFPID-302760",
          "CSAFPID-302991",
          "CSAFPID-303023",
          "CSAFPID-303199",
          "CSAFPID-303301",
          "CSAFPID-303899",
          "CSAFPID-305299",
          "CSAFPID-305360",
          "CSAFPID-306464",
          "CSAFPID-306583",
          "CSAFPID-306647",
          "CSAFPID-306842",
          "CSAFPID-306843",
          "CSAFPID-306844",
          "CSAFPID-306924",
          "CSAFPID-306925",
          "CSAFPID-307060",
          "CSAFPID-307182",
          "CSAFPID-307183",
          "CSAFPID-307184",
          "CSAFPID-307185",
          "CSAFPID-308420",
          "CSAFPID-308530",
          "CSAFPID-308531",
          "CSAFPID-308532",
          "CSAFPID-309125"
        ]
      },
      "release_date": "2026-09-16T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-111903",
            "CSAFPID-284330",
            "CSAFPID-286349",
            "CSAFPID-286928",
            "CSAFPID-286939",
            "CSAFPID-290540",
            "CSAFPID-290542",
            "CSAFPID-292629",
            "CSAFPID-292670",
            "CSAFPID-295313",
            "CSAFPID-295423",
            "CSAFPID-299948",
            "CSAFPID-299950",
            "CSAFPID-300260",
            "CSAFPID-300852",
            "CSAFPID-301107",
            "CSAFPID-301471",
            "CSAFPID-301743",
            "CSAFPID-301744",
            "CSAFPID-302653",
            "CSAFPID-302654",
            "CSAFPID-302655",
            "CSAFPID-302760",
            "CSAFPID-302991",
            "CSAFPID-303023",
            "CSAFPID-303199",
            "CSAFPID-303301",
            "CSAFPID-303899",
            "CSAFPID-305299",
            "CSAFPID-305360",
            "CSAFPID-306464",
            "CSAFPID-306583",
            "CSAFPID-306647",
            "CSAFPID-306842",
            "CSAFPID-306843",
            "CSAFPID-306844",
            "CSAFPID-306924",
            "CSAFPID-306925",
            "CSAFPID-307060",
            "CSAFPID-307182",
            "CSAFPID-307183",
            "CSAFPID-307184",
            "CSAFPID-307185",
            "CSAFPID-308420",
            "CSAFPID-308530",
            "CSAFPID-308531",
            "CSAFPID-308532",
            "CSAFPID-309125"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.8,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-111903",
            "CSAFPID-284330",
            "CSAFPID-286349",
            "CSAFPID-286928",
            "CSAFPID-286939",
            "CSAFPID-290540",
            "CSAFPID-290542",
            "CSAFPID-292629",
            "CSAFPID-292670",
            "CSAFPID-295313",
            "CSAFPID-295423",
            "CSAFPID-299948",
            "CSAFPID-299950",
            "CSAFPID-300260",
            "CSAFPID-300852",
            "CSAFPID-301107",
            "CSAFPID-301471",
            "CSAFPID-301743",
            "CSAFPID-301744",
            "CSAFPID-302653",
            "CSAFPID-302654",
            "CSAFPID-302655",
            "CSAFPID-302760",
            "CSAFPID-302991",
            "CSAFPID-303023",
            "CSAFPID-303199",
            "CSAFPID-303301",
            "CSAFPID-303899",
            "CSAFPID-305299",
            "CSAFPID-305360",
            "CSAFPID-306464",
            "CSAFPID-306583",
            "CSAFPID-306647",
            "CSAFPID-306842",
            "CSAFPID-306843",
            "CSAFPID-306844",
            "CSAFPID-306924",
            "CSAFPID-306925",
            "CSAFPID-307060",
            "CSAFPID-307182",
            "CSAFPID-307183",
            "CSAFPID-307184",
            "CSAFPID-307185",
            "CSAFPID-308420",
            "CSAFPID-308530",
            "CSAFPID-308531",
            "CSAFPID-308532",
            "CSAFPID-309125"
          ]
        }
      ],
      "title": "ISE authenticaion Bypass"
    },
    {
      "cve": "CVE-2026-20072",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwp98024"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-111903",
          "CSAFPID-284330",
          "CSAFPID-286349",
          "CSAFPID-286928",
          "CSAFPID-286939",
          "CSAFPID-290540",
          "CSAFPID-290542",
          "CSAFPID-292629",
          "CSAFPID-292670",
          "CSAFPID-295313",
          "CSAFPID-295423",
          "CSAFPID-299948",
          "CSAFPID-299950",
          "CSAFPID-300260",
          "CSAFPID-300852",
          "CSAFPID-301107",
          "CSAFPID-301471",
          "CSAFPID-301743",
          "CSAFPID-301744",
          "CSAFPID-302653",
          "CSAFPID-302654",
          "CSAFPID-302655",
          "CSAFPID-302760",
          "CSAFPID-302991",
          "CSAFPID-303023",
          "CSAFPID-303199",
          "CSAFPID-303301",
          "CSAFPID-303899",
          "CSAFPID-305299",
          "CSAFPID-305360",
          "CSAFPID-306464",
          "CSAFPID-306583",
          "CSAFPID-306647",
          "CSAFPID-306844",
          "CSAFPID-306925",
          "CSAFPID-307182",
          "CSAFPID-307184",
          "CSAFPID-307185",
          "CSAFPID-308530",
          "CSAFPID-308532"
        ]
      },
      "release_date": "2026-09-16T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-111903",
            "CSAFPID-284330",
            "CSAFPID-286349",
            "CSAFPID-286928",
            "CSAFPID-286939",
            "CSAFPID-290540",
            "CSAFPID-290542",
            "CSAFPID-292629",
            "CSAFPID-292670",
            "CSAFPID-295313",
            "CSAFPID-295423",
            "CSAFPID-299948",
            "CSAFPID-299950",
            "CSAFPID-300260",
            "CSAFPID-300852",
            "CSAFPID-301107",
            "CSAFPID-301471",
            "CSAFPID-301743",
            "CSAFPID-301744",
            "CSAFPID-302653",
            "CSAFPID-302654",
            "CSAFPID-302655",
            "CSAFPID-302760",
            "CSAFPID-302991",
            "CSAFPID-303023",
            "CSAFPID-303199",
            "CSAFPID-303301",
            "CSAFPID-303899",
            "CSAFPID-305299",
            "CSAFPID-305360",
            "CSAFPID-306464",
            "CSAFPID-306583",
            "CSAFPID-306647",
            "CSAFPID-306844",
            "CSAFPID-306925",
            "CSAFPID-307182",
            "CSAFPID-307184",
            "CSAFPID-307185",
            "CSAFPID-308530",
            "CSAFPID-308532"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-111903",
            "CSAFPID-284330",
            "CSAFPID-286349",
            "CSAFPID-286928",
            "CSAFPID-286939",
            "CSAFPID-290540",
            "CSAFPID-290542",
            "CSAFPID-292629",
            "CSAFPID-292670",
            "CSAFPID-295313",
            "CSAFPID-295423",
            "CSAFPID-299948",
            "CSAFPID-299950",
            "CSAFPID-300260",
            "CSAFPID-300852",
            "CSAFPID-301107",
            "CSAFPID-301471",
            "CSAFPID-301743",
            "CSAFPID-301744",
            "CSAFPID-302653",
            "CSAFPID-302654",
            "CSAFPID-302655",
            "CSAFPID-302760",
            "CSAFPID-302991",
            "CSAFPID-303023",
            "CSAFPID-303199",
            "CSAFPID-303301",
            "CSAFPID-303899",
            "CSAFPID-305299",
            "CSAFPID-305360",
            "CSAFPID-306464",
            "CSAFPID-306583",
            "CSAFPID-306647",
            "CSAFPID-306844",
            "CSAFPID-306925",
            "CSAFPID-307182",
            "CSAFPID-307184",
            "CSAFPID-307185",
            "CSAFPID-308530",
            "CSAFPID-308532"
          ]
        }
      ],
      "title": "ISE information disclosure"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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