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CVE-2023-22639

22
FAUCET Score

CVE-2023-22639 is an out-of-bounds write vulnerability affecting multiple versions of Fortinet FortiOS and FortiProxy. This flaw allows an authenticated attacker to achieve privilege escalation by executing specially crafted commands. With a CVSS score of 7.8 (High), the vulnerability presents a significant risk, enabling high impact to confidentiality, integrity, and availability with low attack complexity. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.0, <= 1.0.7CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
>= 1.1.0, <= 1.1.6CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
>= 1.2.0, <= 1.2.13CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
>= 2.0.0, <= 2.0.12CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
>= 7.0.0, <= 7.0.8CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.7MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
8.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 33rd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

fortinetvendor investigatingvia nvd_reference
View patch

References

fortiguard.com / psirt/FG-IR-22-494
Vendor Advisory