What is CVE-2023-22640?

CVE-2023-22640 is a high-severity vulnerability in Fortinet Fortios, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-05-03.

How severe is CVE-2023-22640?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Fortinet Fortios

CVE-2023-22640

A out-of-bounds write in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.10, FortiOS version 6.4.0 through 6.4.11, FortiOS version 6.2.0 through 6.2.13, FortiOS all versions 6.0, FortiProxy version 7.2.0 through 7.2.1, FortiProxy version 7.0.0 through 7.0.7, FortiProxy all versions 2.0, FortiProxy all versions 1.2, FortiProxy all versions 1.1, FortiProxy all versions 1.0 allows an authenticated attacker to execute unauthorized code or commands via specifically crafted requests.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (55.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortios — versions 7.2.0, 7.0.0, 6.4.0
Fortinet Fortiproxy — versions 7.2.0, 7.0.0, 2.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-22640?: CVE-2023-22640 is a high-severity vulnerability in Fortinet Fortios, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-05-03.
How severe is CVE-2023-22640?: High severity. CVSS v3 base score is 7.5 out of 10.