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Cisco Catalyst SD-WAN Manager Certificate Validation Vulnerability – Source:sec.cloudapps.cisco.com

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Source: sec.cloudapps.cisco.com – Author: .

Cisco Catalyst SD-WAN Manager Certificate Validation Vulnerability

Medium

CVE-2025-20157

CWE-295

Summary

  • A vulnerability in certificate validation processing of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to gain access to sensitive information.

    This vulnerability is due to improper validation of certificates that are used by the Smart Licensing feature. An attacker with a privileged network position could exploit this vulnerability by intercepting traffic that is sent over the Internet. A successful exploit could allow the attacker to gain access to sensitive information, including credentials used by the device to connect to Cisco cloud services.

    Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

    This advisory is available at the following link:
    https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catalyst-tls-PqnD5KEJ

Affected Products

  • At the time of publication, this vulnerability affected Cisco Catalyst SD-WAN Manager if it is configured to connect to Smart Licensing services that are hosted by Cisco.

    For information about which Cisco software releases were vulnerable at the time of publication, see the Fixed Software 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.

    Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability.

Workarounds

  • There are no workarounds that address this vulnerability.

Fixed Software

  • When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page, 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

    This advisory is part of a collection of advisories that describe vulnerabilities in Cisco Catalyst SD-WAN Manager. The collection includes the following advisories:

    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.

    In the following table, the left column lists Cisco software releases. The center column indicates whether a release is affected by the vulnerability described in this advisory and the first release that includes the fix for this vulnerability. The right column indicates whether a release is affected by any of the vulnerabilities that are part of this collection of advisories and which release includes fixes for all vulnerabilities in this collection.

    Customers are advised to upgrade to an appropriate fixed software release.

    Cisco Catalyst SD-WAN Manager Release First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities in This Collection
    20.8 and earlier1 Migrate to a fixed release. Migrate to a fixed release.
    20.92 20.9.7 Migrate to a fixed release.
    20.101 Migrate to a fixed release. Migrate to a fixed release.
    20.111 Migrate to a fixed release. Migrate to a fixed release.
    20.12 20.12.5 Migrate to a fixed release.
    20.131 Migrate to a fixed release. Migrate to a fixed release.
    20.142 Migrate to a fixed release. Migrate to a fixed release.
    20.15 20.15.2 Migrate to a fixed release.
    20.16 Not vulnerable. 20.16.1

    1. These releases have reached End of Software Maintenance. Cisco strongly encourages customers to upgrade to a supported release.

    2. These releases have entered the end-of-life process. For milestone dates for a specific release, see the End-of-Sale and End-of-Life Announcement for that release.

    When considering a software migration, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page, to determine exposure and a complete upgrade solution.

    In all cases, customers should ensure that the new software will be sufficient for their network needs and that current hardware and software configurations will continue to be supported properly by the new product. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.

    The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.

Exploitation and Public Announcements

  • The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Source

  • This vulnerability was found by Konrad Porzezynski of Cisco during internal security testing.

Cisco Security Vulnerability Policy

  • To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.

Related to This Advisory

URL

Revision History

  • Version Description Section Status Date
    1.0 Initial public release. Final 2025-MAY-07

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Original Post url: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catalyst-tls-PqnD5KEJ?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Catalyst%20SD-WAN%20Manager%20Certificate%20Validation%20Vulnerability%26vs_k=1

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