Auth bypass in Fortinet Fortimail

CVE-2023-36556

An incorrect authorization vulnerability [CWE-863] in FortiMail webmail version 7.2.0 through 7.2.2, version 7.0.0 through 7.0.5 and below 6.4.7 allows an authenticated attacker to login on other users accounts from the same web domain via crafted HTTP or HTTPs requests.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-36556: held from 0.008 to 0.011.

EPSS over last 30 days · oldest: 0.008 · newest: 0.011 · change: +0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-36556?
CVE-2023-36556 is a high-severity vulnerability in Fortinet Fortimail, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2023-10-10.
How severe is CVE-2023-36556?
High severity. CVSS v3 base score is 8.8 out of 10.