Vulnerability in B2evolution

CVE-2022-30935

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.

EPSS: 0.011 (61.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-30935?
CVE-2022-30935 is a critical-severity vulnerability in B2evolution, classified under Use of Insufficiently Random Values. CVSS score: 9.1/10. Published 2022-09-28.
How severe is CVE-2022-30935?
Critical severity. CVSS v3 base score is 9.1 out of 10.