CVE-2020-5685 Command injection in UNIVERGE SV9500/SV8500 series
Attackers can execute arbitrary OS commands or cause denial-of-service on NEC UNIVERGE PBX systems via crafted requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5685?
CVE-2020-5685 is a critical command injection vulnerability in NEC Corporation UNIVERGE SV9500/SV8500 series, published on 13 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
UNIVERGE SV9500 series from V1 to V7and SV8500 series from S6 to S8 allows an attacker to execute arbitrary OS commands or cause a denial-of-service (DoS) condition by sending a specially crafted request to a specific URL.
Weakness: CWE-78
Which versions are affected by CVE-2020-5685?
It affects 2 products.
Products include Nec Univerge Sv8500 Firmware, Nec Univerge Sv9500 Firmware.
How do I fix CVE-2020-5685?
No fix has been published for CVE-2020-5685 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-5685 being exploited?
There is no known exploitation of CVE-2020-5685 in the wild and no public exploit code.
Other vulnerabilities in NEC Corporation UNIVERGE SV9500/SV8500 series
Sources
Also known as GHSA-cchm-6hjg-chgx.