Auth bypass in Zimbra Collaboration

CVE-2023-29381

An issue in Zimbra Collaboration (ZCS) v.8.8.15 and v.9.0 allows a remote attacker to escalate privileges and obtain sensitive information via the password and 2FA parameters.

Vulnerability class: Broken Access Control

EPSS: 0.010 (59.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-29381?
CVE-2023-29381 is a critical-severity vulnerability in Zimbra Collaboration, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2023-07-06.
How severe is CVE-2023-29381?
Critical severity. CVSS v3 base score is 9.8 out of 10.