CVE-2021-46880 Auth bypass in n/a
Attackers can bypass authentication in LibreSSL due to discarded certificate verification errors, requiring an upgrade to secure versions.
- 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-2021-46880?
CVE-2021-46880 is a critical authentication bypass vulnerability in Openbsd Openbsd, published on 14 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes discarded.
Weakness: CWE-295
Which versions are affected by CVE-2021-46880?
It affects 2 products.
Products include Openbsd Libressl, Openbsd Openbsd.
How do I fix CVE-2021-46880?
No fix has been published for CVE-2021-46880 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-2021-46880 being exploited?
There is no known exploitation of CVE-2021-46880 in the wild and no public exploit code.
Other vulnerabilities in Openbsd Openbsd
Sources
Also known as GHSA-j4x4-2cc8-7274.