CVE-2023-42787

Name: CVE-2023-42787
Creator: NVD / NIST
Published: 2023-10-10T17:15:12.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.37%

Last modified Jun 17, 2026

CVE-2023-42787 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A client-side enforcement of server-side security [CWE-602] vulnerability in Fortinet FortiManager version 7.4.0 and before 7.2.3 and FortiAnalyzer version 7.4.0 and before 7.2.3 may allow a remote attacker with low privileges to access a privileged web console via client side code execution.. EPSS estimates a 1.37% chance of exploitation in the next 30 days.

Description

A client-side enforcement of server-side security [CWE-602] vulnerability in Fortinet FortiManager version 7.4.0 and before 7.2.3 and FortiAnalyzer version 7.4.0 and before 7.2.3 may allow a remote attacker with low privileges to access a privileged web console via client side code execution.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.37%

68.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-602

Affected Software

Vendor	Product	Versions
Fortinet	Fortianalyzer	>= 6.2.0, <= 6.2.12
Fortinet	Fortianalyzer	>= 6.4.0, <= 6.4.13
Fortinet	Fortianalyzer	>= 7.0.0, <= 7.0.9
Fortinet	Fortianalyzer	>= 7.2.0, <= 7.2.3
Fortinet	Fortianalyzer	7.4.0
Fortinet	Fortimanager	>= 6.2.0, <= 6.2.12
Fortinet	Fortimanager	>= 6.4.0, <= 6.4.13
Fortinet	Fortimanager	>= 7.0.0, <= 7.0.9
Fortinet	Fortimanager	>= 7.2.0, <= 7.2.3
Fortinet	Fortimanager	7.4.0

References

https://fortiguard.com/psirt/FG-IR-23-187Vendor Advisory
https://github.com/orangecertcc/security-research/security/advisories/GHSA-q5pq-8666-j8frExploit, Third Party Advisory
https://fortiguard.com/psirt/FG-IR-23-187Vendor Advisory
https://github.com/orangecertcc/security-research/security/advisories/GHSA-q5pq-8666-j8frExploit, Third Party Advisory

Timeline

Published: Oct 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-42787?

How severe is CVE-2023-42787?

CVE-2023-42787 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42787?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-42787?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST