Cisco Expressway Series and TelePresence Video Communication Server directory traversal | CVE-2022-20812
NAME
Cisco Expressway Series and TelePresence Video Communication Server directory traversal
- Platforms Affected:
Cisco Expressway Series 14
Cisco Expressway Series 14.0.6
Cisco TelePresence Video Communication Server 14
Cisco TelePresence Video Communication Server 14.0.6 - Risk Level:
9 - Exploitability:
Unproven - Consequences:
Obtain Information
DESCRIPTION
Cisco Expressway Series and TelePresence Video Communication Server could allow a remote authenticated attacker to traverse directories on the system, caused by insufficient input validation of user-supplied command arguments. By authenticating to the system as an administrative read-write user and submitting crafted input to the affected command, an attacker could overwrite arbitrary files on the underlying operating system as the root user.
CVSS 3.0 Information
- Privileges Required: High
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: Low
- Remediation Level: Official Fix
MITIGATION
Refer to Cisco Security Advisory cisco-sa-expressway-overwrite-3buqW8LH for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20812
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