cisco-sa-dcnm-authbypass-ohbpbxu
Vulnerability from csaf_cisco
Published
2021-01-20 16:00
Modified
2021-01-20 16:00
Summary
Cisco Data Center Network Manager Authorization Bypass Vulnerabilities

Notes

Summary
Multiple vulnerabilities in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to view, modify, and delete data without proper authorization. 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 available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-authbypass-OHBPbxu ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-authbypass-OHBPbxu"]
Vulnerable Products
At the time of publication, these vulnerabilities affected Cisco DCNM releases earlier than Release 11.5(1). 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 these vulnerabilities.
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-2021-1270: Cisco DCNM Authorization Bypass Vulnerability A vulnerability in the web-based management interface of Cisco DCNM could allow an authenticated, remote attacker to modify the configuration without proper authorization. This vulnerability is due to a failure to limit access to resources that are intended for users with Administrator privileges. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow a low-privileged attacker to edit the configuration. To exploit this vulnerability, an attacker would need valid nonadministrative credentials. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. Bug ID(s): CSCvv87627 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv87627"] CVE-ID: CVE-2021-1270 Security Impact Rating (SIR): Medium CVSS Base Score: 7.1 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L CVE-2021-1269: Cisco DCNM Authorization Bypass Vulnerability A vulnerability in the web-based management interface of Cisco DCNM could allow an authenticated, remote attacker to bypass authorization on an affected device and access sensitive information that is related to the device. This vulnerability is due to a failure to limit access to resources that are intended for users with Administrator privileges. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow a low-privileged attacker to list, view, create, edit, and delete specific system configurations in the same manner as a user with Administrator privileges. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. Bug ID(s): CSCvu57868 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu57868"] CVE-ID: CVE-2021-1269 Security Impact Rating (SIR): Medium CVSS Base Score: 6.3 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Workarounds
There are no workarounds that address these vulnerabilities.
Fixed Software
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 for Cisco products, which are available from the Cisco Security Advisories page ["https://www.cisco.com/go/psirt"], 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) or their contracted maintenance providers. Fixed Releases At the time of publication, Cisco DCNM releases 11.5(1) and later contained the fix for these vulnerabilities. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.
Vulnerability Policy
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
Exploitation and Public Announcements
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
Source
These vulnerabilities were found during internal security testing.
Legal Disclaimer
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. 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. A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.



{
  "document": {
    "acknowledgments": [
      {
        "summary": "These vulnerabilities were found during internal security testing."
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    "category": "csaf_security_advisory",
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    "notes": [
      {
        "category": "summary",
        "text": "Multiple vulnerabilities in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to view, modify, and delete data without proper authorization.\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\nThis advisory is available at the following link:\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-authbypass-OHBPbxu [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-authbypass-OHBPbxu\"]",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "At the time of publication, these vulnerabilities affected Cisco DCNM releases earlier than Release 11.5(1).\r\n\r\nSee 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 these vulnerabilities.",
        "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-2021-1270: Cisco DCNM Authorization Bypass Vulnerability\r\n\r\nA vulnerability in the web-based management interface of Cisco DCNM could allow an authenticated, remote attacker to modify the configuration without proper authorization.\r\n\r\nThis vulnerability is due to a failure to limit access to resources that are intended for users with Administrator privileges. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow a low-privileged attacker to edit the configuration. To exploit this vulnerability, an attacker would need valid nonadministrative credentials.\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): CSCvv87627 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv87627\"]\r\nCVE-ID: CVE-2021-1270\r\nSecurity Impact Rating (SIR): Medium\r\nCVSS Base Score: 7.1\r\nCVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L\r\n\r\nCVE-2021-1269: Cisco DCNM Authorization Bypass Vulnerability\r\n\r\nA vulnerability in the web-based management interface of Cisco DCNM could allow an authenticated, remote attacker to bypass authorization on an affected device and access sensitive information that is related to the device.\r\n\r\nThis vulnerability is due to a failure to limit access to resources that are intended for users with Administrator privileges. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow a low-privileged attacker to list, view, create, edit, and delete specific system configurations in the same manner as a user with Administrator privileges.\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): CSCvu57868 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu57868\"]\r\nCVE-ID: CVE-2021-1269\r\nSecurity Impact Rating (SIR): Medium\r\nCVSS Base Score: 6.3\r\nCVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
        "title": "Details"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address these vulnerabilities.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "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 for Cisco products, which are available from the Cisco Security Advisories page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn 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) or their contracted maintenance providers.\r\n      Fixed Releases\r\nAt the time of publication, Cisco DCNM releases 11.5(1) and later contained the fix for these vulnerabilities.\r\n\r\nSee the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco Product Security Incident Response Team (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": "These vulnerabilities were found during internal security testing.",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. 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\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "Emergency Support:\r\n+1 877 228 7302 (toll-free within North America)\r\n+1 408 525 6532 (International direct-dial)\r\nNon-emergency Support:\r\nEmail: psirt@cisco.com\r\nSupport requests that are received via e-mail are typically acknowledged within 48 hours.",
      "issuing_authority": "Cisco product security incident response is the responsibility of the Cisco Product Security Incident Response Team (PSIRT). The Cisco PSIRT is a dedicated, global team that manages the receipt, investigation, and public reporting of security vulnerability information that is related to Cisco products and networks. The on-call Cisco PSIRT works 24x7 with Cisco customers, independent security researchers, consultants, industry organizations, and other vendors to identify possible security issues with Cisco products and networks.\r\nMore information can be found in Cisco Security Vulnerability Policy available at https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html",
      "name": "Cisco",
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    "references": [
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      },
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        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv87627"
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        "summary": "CSCvu57868",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu57868"
      },
      {
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        "summary": "considering software upgrades",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
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        "url": "https://www.cisco.com/go/psirt"
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        "summary": "Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
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    ],
    "title": "Cisco Data Center Network Manager Authorization Bypass Vulnerabilities",
    "tracking": {
      "current_release_date": "2021-01-20T16:00:00+00:00",
      "generator": {
        "date": "2022-10-22T03:07:52+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-dcnm-authbypass-OHBPbxu",
      "initial_release_date": "2021-01-20T16:00:00+00:00",
      "revision_history": [
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          "number": "1.0.0",
          "summary": "Initial public release."
        }
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  "product_tree": {
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            }
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      "ids": [
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          "text": "CSCvu57868"
        }
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      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
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      "release_date": "2020-12-01T18:33:00+00:00",
      "remediations": [
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          "product_ids": [
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          "url": "https://software.cisco.com"
        }
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      "scores": [
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            "baseSeverity": "MEDIUM",
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          "products": [
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      ],
      "title": "Cisco DCNM Authorization Bypass Vulnerabilities"
    },
    {
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      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvv87627"
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      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
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      "product_status": {
        "known_affected": [
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        ]
      },
      "release_date": "2020-12-01T18:56:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-233075"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "title": "Cisco DCNM Authorization Bypass Vulnerability"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.