CVE-2025-20157
mediumpriority · track · 24EPSS 0.003 · 22 %ileDEEURUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco Catalyst SD-WAN Managercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (598)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0963Cisco Catalyst SD-WAN Manager: Mehrere SchwachstellenDeutsch2025-05-07csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Cisco Catalyst SD-WAN Manager ausnutzen, um erweiterte Rechte zu erlangen, Cross-Site-Scripting-Angriffe durchzuführen, Daten zu manipulieren und vertrauliche Informationen preiszugeben.
- cisco-sa-catalyst-tls-PqnD5KEJCisco Catalyst SD-WAN Manager Certificate Validation Vulnerability2025-05-07csaf · cisco_csafUS
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.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2025-20157cnnvd
- https://www.cisco.com/c/en/us/support/index.htmlPatchcnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catalyst-tls-PqnD5KEJenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catalyst-tls-PqnD5KEJVendor Advisorynvd
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