CVE-2021-45890 Auth bypass in n/a

Critical 9.8 Published Updated

AuthGuard library allows authentication using inactive identifiers, enabling unauthorized access to protected resources.

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-2021-45890?

CVE-2021-45890 is a critical authentication bypass vulnerability in n/a, published on 27 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive identifier.

Weakness: CWE-287

Which versions are affected by CVE-2021-45890?

It affects 1 product.

Products include Authguard Project Authguard.

How do I fix CVE-2021-45890?

No fix has been published for CVE-2021-45890 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-2021-45890 being exploited?

There is no known exploitation of CVE-2021-45890 in the wild and no public exploit code.

Sources

Also known as GHSA-fmc3-vh2f-557h.

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