OS Command Injection in UNIVERGE SV9500 and UNIVERGE SV8500 - CVE-2020-5685
Published: January 4, 2021
Vulnerability identifier: #VU49227
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-5685
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: NEC Corporation
Affected software:
UNIVERGE SV9500
UNIVERGE SV8500
UNIVERGE SV9500
UNIVERGE SV8500
Detailed vulnerability description
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.
How to mitigate CVE-2020-5685
Install updates from vendor's website.