CVE-2020-21991 Auth bypass in n/a
Unauthenticated attackers can bypass authentication and gain admin access by manipulating the autologin parameter in the management interface.
- 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-2020-21991?
CVE-2020-21991 is a critical authentication bypass vulnerability in n/a, published on 28 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
AVE DOMINAplus <=1.10.x suffers from an authentication bypass vulnerability due to missing control check when directly calling the autologin GET parameter in changeparams.php script. Setting the autologin value to 1 allows an unauthenticated attacker to permanently disable the authentication security control and access the management interface with admin privileges without providing credentials.
Weakness: CWE-287
Which versions are affected by CVE-2020-21991?
It affects 7 products.
Products include Ave 53ab-Wbs Firmware, Ave Dominaplus, Ave Ts01 Firmware, Ave Ts03x-v Firmware, Ave Ts04x-v Firmware, Ave Ts05 Firmware and 1 more.
How do I fix CVE-2020-21991?
No fix has been published for CVE-2020-21991 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-2020-21991 being exploited?
There is no known exploitation of CVE-2020-21991 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-9c5r-2fv8-6qm7.