OS Command Injection in NEC Corporation products - CVE-2021-20708
Published: April 9, 2021
Vulnerability identifier: #VU52005
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-20708
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote administrator 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.
Affected software
Aterm WF1200CR
Aterm WG1200CR
Aterm WG2600HS
Aterm WG1200CR
Aterm WG2600HS
How to mitigate CVE-2021-20708
Install updates from vendor's website.
Aterm WF1200CR - update to 1.4.0
Aterm WG1200CR - update to 1.4.0
Aterm WG2600HS - update to 1.6.1
Aterm WG1200CR - update to 1.4.0
Aterm WG2600HS - update to 1.6.1