Path traversal in Cisco Systems, Inc products - CVE-2021-34701
Published: November 4, 2021
Vulnerability identifier: #VU57948
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-34701
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the web-based management interface. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Affected software
Cisco Unified Communications Manager Session Management Edition
Cisco Unified Communications Manager IM & Presence Service
Cisco Unity Connection
Cisco Unified Communications Manager
Cisco Unified Communications Manager IM & Presence Service
Cisco Unity Connection
Cisco Unified Communications Manager
How to mitigate CVE-2021-34701
Install update from vendor's website.
Cisco Unified Communications Manager - addressed in versions CCM.014.000(000.96541.002), CCM.014.000(001.11900.054), CCM.014.000(001.11900.128), CCM.014.000(001.11900.132), CCM.014.000(001.99900.003), CUC.014.000(001.11900.046), CUP.012.005(001.14900.003), CUP.014.000(000.95624.003), CUP.014.000(001.11000.086), CUP.014.000(001.99900.001), UCMAP.014.000(001.11900.035)