Vulnerability Monitor

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CVE-2022-20812

Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow a remote attacker to overwrite arbitrary files or conduct null byte poisoning attacks on an affected device. Note: Cisco Expressway Series refers to the Expressway Control (Expressway-C) device and the Expressway Edge (Expressway-E) device. For more information about these vulnerabilities, see the Details section of this advisory.

Published

2022-07-06T21:15:11.643

Last Modified

2024-11-21T06:43:36.213

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.0 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

9.2

Weaknesses

Type: Secondary
CWE-158
Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cisco	expressway	< x14.0.7	Yes
Application	cisco	telepresence_video_communication_server	< x14.0.7	Yes

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-csrf-sqpsSfY6 Vendor Advisory ([email protected])
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH Vendor Advisory ([email protected])
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-csrf-sqpsSfY6 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)