{
  "document": {
    "acknowledgments": [
      {
        "summary": "This vulnerability was found during the resolution of a Cisco TAC support case."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "A vulnerability in the request authentication validation for the REST API of Cisco SD-WAN vManage software could allow an unauthenticated, remote attacker to gain read permissions or limited write permissions to the configuration of an affected Cisco SD-WAN vManage instance.\r\n\r\nThis vulnerability is due to insufficient request validation when using the REST API feature. An attacker could exploit this vulnerability by sending a crafted API request to an affected vManage instance. A successful exploit could allow the attacker to retrieve information from and send information to the configuration of the affected Cisco vManage instance. This vulnerability only affects the REST API and does not affect the web-based management interface or the CLI.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "This vulnerability affects vulnerable releases of Cisco SD-WAN vManage software.\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.",
        "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 this vulnerability does not affect the following Cisco products:\r\n\r\nIOS XE\r\nIOS XE SD-WAN\r\nSD-WAN cEdge Routers\r\nSD-WAN vBond Orchestrator Software\r\nSD-WAN vEdge Cloud Routers\r\nSD-WAN vEdge Routers\r\nSD-WAN vSmart Controller Software",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "Cisco SD-WAN vManage API is a REST API for controlling, configuring, and monitoring the Cisco devices in an overlay network. Use cases for the vManage API include the following:\r\n\r\nMonitoring device status\r\nConfiguring a device, such as attaching a template to a device\r\nQuerying and aggregating device statistics\r\n\r\nCustomers may be able to detect attempts to access the REST API by examining the log file. The REST API log file is located at the following path in the vManage filesystem: /var/log/nms/vmanage-server.log.\r\n\r\nAdministrators can use the CLI command show log, as in the following example, to view the content of the vmanage-server.log file:\r\n\r\n\r\nvmanage# show log /var/log/nms/vmanage-server.log\r\n\r\nIf Request Stored in Map is (/dataservice/client/server) for user (admin) appears in the log, the REST API has received requests:\r\n\r\n\r\n30-Jun-2023 15:17:03,888 UTC INFO  [ST3_vmanage1] [AppServerLoginModule] (default task-202) |default| Localization: Locale value after setting for non-SAML User upon login: null\r\n30-Jun-2023 15:17:03,930 UTC INFO  [ST3_vmanage1] [UserUtils] (default task-202) |default| Request Stored in Map is (/dataservice/client/server) for user (admin)\r\n30-Jun-2023 15:17:03,933 UTC INFO  [ST3_vmanage1] [UserUtils] (default task-202) |default| localUserFile : /etc/viptela/aaa_auth_grp/admin, radiusUserFile : /etc/viptela/aaa_auth_grp/admin.external\r\n30-Jun-2023 15:17:03,933 UTC INFO  [ST3_vmanage1] [UserUtils] (default task-202) |default| localUserFile exists : false, isFile : false\r\n\r\nHowever, customers must perform their own impact analysis based on the information in the log and any user accounts configured on the vManage. The preceding log output is an example only, for customer reference. User account requests that are seen in this log may vary depending on the configuration of the user accounts within customers\u0027 vManage instance.\r\n\r\nNOTE: The presence of requests in this log does not indicate unauthorized access; rather, it only indicates that attempts have been made to access the REST API.\r\n\r\nCisco continues to recommend that customers use API keys to access APIs, as documented in the Cisco SD-WAN vManage Documentation [\"https://developer.cisco.com/docs/sdwan/#!authentication/how-to-authenticate\"].",
        "title": "Details"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address this vulnerability. However, to mitigate this vulnerability and significantly reduce the attack surface, network administrators should enable access control lists (ACLs) to limit access to the vManage instance.\r\n\r\nIn cloud hosted deployments, access to vManage is limited by ACLs that contain permitted IP addresses. Network administrators should review and edit the permitted IP addresses in the ACLs. In on-premises deployments, vManage access can be limited in a similar way by using ACLs and configuring permitted IP addresses.\r\n\r\nWhile this mitigation has been deployed and was proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "Cisco has released free software updates [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu\"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.\r\n\r\nCustomers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:\r\nhttps://www.cisco.com/c/en/us/products/end-user-license-agreement.html [\"https://www.cisco.com/c/en/us/products/end-user-license-agreement.html\"]\r\n\r\nAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.\r\n\r\nThe Cisco Support and Downloads page [\"https://www.cisco.com/c/en/us/support/index.html\"] 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.\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 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  Customers Without Service Contracts\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 TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]\r\n\r\nCustomers 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      Fixed Releases\r\nCustomers are advised to upgrade to an appropriate fixed software release [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] as indicated in the following table(s):\r\n        Cisco SD-WAN vManage Release  First Fixed Release          18.3  Not affected.      18.4  Not affected.      19.1  Not affected.      19.2  Not affected.      20.1  Not affected.      20.3  Not affected.      20.4  Not affected.      20.5  Not affected.      20.6.1  Not affected.      20.6.2  Not affected.      20.6.3  Not affected.      20.6.3.1  Not affected.      20.6.3.2  Not affected.      20.6.3.3  20.6.3.4      20.6.4  20.6.4.2      20.6.5  20.6.5.5      20.7  Migrate to a fixed release.      20.8  Migrate to a fixed release.      20.9  20.9.3.2      20.10  20.10.1.2      20.11  20.11.1.2\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.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "This vulnerability was found during the resolution of a Cisco TAC support case.",
        "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": "psirt@cisco.com",
      "issuing_authority": "Cisco PSIRT",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco  SD-WAN vManage Unauthenticated REST API Access Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-unauthapi-sphCLYPA"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Cisco SD-WAN vManage Documentation",
        "url": "https://developer.cisco.com/docs/sdwan/#!authentication/how-to-authenticate"
      },
      {
        "category": "external",
        "summary": "free software updates",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"
      },
      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html",
        "url": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"
      },
      {
        "category": "external",
        "summary": "Cisco Support and Downloads page",
        "url": "https://www.cisco.com/c/en/us/support/index.html"
      },
      {
        "category": "external",
        "summary": "considering software upgrades",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisories page",
        "url": "https://www.cisco.com/go/psirt"
      },
      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html",
        "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
      }
    ],
    "title": "Cisco  SD-WAN vManage Unauthenticated REST API Access Vulnerability",
    "tracking": {
      "current_release_date": "2023-07-12T20:08:53+00:00",
      "generator": {
        "date": "2023-07-12T20:08:55+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-vmanage-unauthapi-sphCLYPA",
      "initial_release_date": "2023-07-12T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2023-07-12T15:49:27+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        },
        {
          "date": "2023-07-12T20:08:53+00:00",
          "number": "1.1.0",
          "summary": "Updated REST API log output information and fixed release information for Release 20.6.3"
        }
      ],
      "status": "final",
      "version": "1.1.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_family",
            "name": "Cisco SD-WAN vManage",
            "product": {
              "name": "Cisco SD-WAN vManage ",
              "product_id": "CSAFPID-271450"
            }
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-20214",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwf76218"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwf82344"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-271450"
        ]
      },
      "release_date": "2023-07-12T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-271450"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-271450"
          ]
        }
      ],
      "title": "Cisco  SD-WAN vManage Unauthenticated REST API Access Vulnerability"
    }
  ]
}