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.

CVSS v3 6.5 MEDIUM
CVSS v2.0 8.5 HIGH

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.0 / Impact : 9.2

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-csrf-sqpsSfY6	Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:cisco:expressway::::::::
	cpe:2.3:a:cisco:telepresence_video_communication_server::::::::

History

No history.

Information

Published : 2022-07-06 21:15

Updated : 2024-02-28 19:29

NVD link : CVE-2022-20812

Mitre link : CVE-2022-20812

CVE.ORG link : CVE-2022-20812

JSON object : View

Products Affected

cisco

expressway
telepresence_video_communication_server

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-158

Improper Neutralization of Null Byte or NUL Character

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