CVE-2019-20031 Auth bypass in n/a
Attackers can brute force login attempts on NEC voicemail systems due to lack of rate limiting, potentially gaining unauthorized access.
- 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-2019-20031?
CVE-2019-20031 is a critical authentication bypass vulnerability in n/a, published on 29 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NEC UM8000, UM4730 and prior non-InMail voicemail systems with all known software versions may permit an infinite number of login attempts in the telephone user interface (TUI), effectively allowing brute force attacks.
Weakness: CWE-307
Which versions are affected by CVE-2019-20031?
It affects 2 products.
Products include Nec Um4730 Firmware, Nec Um8000 Firmware.
How do I fix CVE-2019-20031?
No fix has been published for CVE-2019-20031 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2019-20031 being exploited?
There is no known exploitation of CVE-2019-20031 in the wild and no public exploit code.
Sources
Also known as GHSA-xmx2-vxw5-6rg6.