OS Command Injection in Aterm WG2600HS - CVE-2021-20711
Published: April 9, 2021
Vulnerability identifier: #VU52008
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-2021-20711
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: NEC Corporation
Affected software:
Aterm WG2600HS
Aterm WG2600HS
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 pass specially crafted data to the application 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-2021-20711
Install updates from vendor's website.