OS Command Injection in UNIVERGE SV9500 and UNIVERGE SV8500 - CVE-2020-5685
Published: January 4, 2021
Vulnerability identifier: #VU49227
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5685
CWE-ID: CWE-78
Exploitation vector: Adjecent network
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. A remote attacker on the local network can send a specially crafted request and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
UNIVERGE SV9500
UNIVERGE SV8500
UNIVERGE SV8500
How to mitigate CVE-2020-5685
Install updates from vendor's website.
UNIVERGE SV9500 - addressed in versions V6 6.0, V7 8.0, V8 4.0
UNIVERGE SV8500 - update to S8 6.0
UNIVERGE SV8500 - update to S8 6.0