Back to CVE records
High 7.1Published May 3, 2023

CVE-2023-22640A out-of-bounds write vulnerability in Fortinet FortiOS 7.2.0 through 7.2.3, FortiOS 7.0.0 through 7.0.10, FortiOS 6.4.0 through 6.4.11, FortiOS 6.2.0 through 6.2.13, FortiOS 6.0.0 through 6.0.16, Fo…

Updated under an hour ago ()

Does this affect you?

It affects Fortinet FortiOS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A out-of-bounds write vulnerability in Fortinet FortiOS 7.2.0 through 7.2.3, FortiOS 7.0.0 through 7.0.10, FortiOS 6.4.0 through 6.4.11, FortiOS 6.2.0 through 6.2.13, FortiOS 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.1, FortiProxy 7.0.0 through 7.0.7, FortiProxy 2.0 all versions, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows an authenticated attacker to execute unauthorized code or commands via specifically crafted requests.

CVSS
7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
Weakness (CWE)
CWE-787
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
fortinet
NVD analysis
Modified
Record last updated
Oct 22, 2026
First seen by InfoSec Signals
Oct 22, 2026

Affected products

Affected products
Fortinet FortiOS
fortinet:fortios
from 7.2.0 through 7.2.3; from 7.0.0 through 7.0.10; from 6.4.0 through 6.4.11; from 6.2.0 through 6.2.13; from 6.0.0 through 6.0.16
CNA record
Fortinet FortiProxy
fortinet:fortiproxy
from 7.2.0 through 7.2.1; from 7.0.0 through 7.0.7; from 2.0.0 through 2.0.14; from 1.2.1 through 1.2.13; 01.02.00; from 1.1.4 through 1.1.6; from 01.01.00 through 01.01.03; from 01.00.00 through 01.00.07
CNA record
fortinet fortiproxy
fortinet:fortiproxy
1.0.0; 1.1.0; 1.2.0; 2.0.0
NVD
fortinet fortios
fortinet:fortios
from 6.0.0 through 6.0.16; from 6.2.0 before 6.2.14; from 6.4.0 before 6.4.12; from 7.0.0 before 7.0.11; from 7.2.0 before 7.2.4
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.