CVE-2022-30935 Auth bypass in n/a

Critical 9.1 Published 28 Sep 2022 Updated 21 May 2025

Remote attackers can predict password reset tokens to hijack user accounts and reset passwords in b2evolution.

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-2022-30935?

CVE-2022-30935 is a critical authentication bypass vulnerability in n/a, published on 28 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An authorization bypass in b2evolution allows remote, unauthenticated attackers to predict password reset tokens for any user through the use of a bad randomness function. This allows the attacker to get valid sessions for arbitrary users, and optionally reset their password. Tested and confirmed in a default installation of version 7.2.3. Earlier versions are affected, possibly earlier major versions as well.

Weakness: CWE-330

Which versions are affected by CVE-2022-30935?

It affects 1 product.

Products include B2evolution B2evolution.

How do I fix CVE-2022-30935?

No fix has been published for CVE-2022-30935 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-2022-30935 being exploited?

There is no known exploitation of CVE-2022-30935 in the wild and no public exploit code.

Sources

Also known as GHSA-cp43-cj42-p4c3.