CVE-2023-41840: fortinet forticlient Untrusted Search Path
CVSS: 7.8v3.1HighModified
Published 14-11-2023Last modified 16-12-2025
Vulnerability summary
CVE-2023-41840 is a high (CVSS 7.8) Untrusted Search Path vulnerability in fortinet forticlient. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-11-2023PublishedVulnerability first disclosed.
- 16-12-2025Last modifiedVulnerability information updated.
Description
A untrusted search path vulnerability in Fortinet FortiClientWindows 7.0.9 allows an attacker to perform a DLL Hijack attack via a malicious OpenSSL engine library in the search path.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSources2 sources · 7.4–7.8
- CVE.orgCNA7.4HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:XDiffers
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
0.00 pp
From 0.31% on 21-09-2026
21-09-202621-10-2026
EPSS score0.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fortinet2 products
- forticlient7.0.9 | 7.2.0 | 7.2.1
- forticlientwindows≥ 7.2.0, ≤ 7.2.1 | 7.0.9
1 vendor · 2 products
References
1 links- fortiguard.com/psirt/FG-IR-23-274Vendor Advisory