CVE-2022-30935

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.29%
Vendor Advisory b2evolution.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/b2evolution/b2evolution/blob/master/inc/_core/_misc.funcs.php#L5955 third party advisory patch
https://github.com/b2evolution/b2evolution/issues/114 third party advisory issue tracking
https://b2evolution.net/downloads/7-2-5-stable patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-30935?
CVE-2022-30935 has been scored as a critical severity vulnerability.
How to fix CVE-2022-30935?
To fix CVE-2022-30935, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-30935 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-30935 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.