CVE-2022-20806: Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-05-27 · updated 2026-06-17
Weakness: CWE-532

Description

Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to write files or disclose sensitive information on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products

Cisco TelePresence Video Communication Server (VCS) Expressway: through x14.0.7

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-filewrite-bsFVwueV
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-filewrite-bsFVwueV

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