OS Command Injection in Cisco Jabber for Windows - CVE-2020-27133
Published: December 14, 2020
Vulnerability identifier: #VU48950
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27133
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the application protocol handlers. A remote unauthenticated attacker can trick a victim to click a link within a message sent by email or other messaging platform and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Cisco Jabber for Windows
How to mitigate CVE-2020-27133
Install updates from vendor's website.
Cisco Jabber for Windows - addressed in versions 12.1.4, 12.5.3, 12.6.4, 12.7.3, 12.8.4, 12.9.3