Input validation error in NEC Corporation products - CVE-2021-20677
Published: March 22, 2021
Vulnerability identifier: #VU51589
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-20677
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in remote system maintenance feature. A remote authenticated attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
UNIVERGE Aspire WX
UNIVERGE Aspire UX
UNIVERGE SV9100
SL2100
UNIVERGE Aspire UX
UNIVERGE SV9100
SL2100
How to mitigate CVE-2021-20677
Install updates from vendor's website.
UNIVERGE Aspire WX - update to 4.00
UNIVERGE Aspire UX - update to 9.80
UNIVERGE SV9100 - update to 11.00
SL2100 - update to 3.10
UNIVERGE Aspire UX - update to 9.80
UNIVERGE SV9100 - update to 11.00
SL2100 - update to 3.10