A relative path traversal vulnerability [CWE-23] in FortiWeb version 7.0.1 and below, 6.4 all versions, 6.3 all versions, 6.2 all versions…

published 2023-02-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27864

cvss: 4.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits: 0; none known

A relative path traversal vulnerability [CWE-23] in FortiWeb version 7.0.1 and below, 6.4 all versions, 6.3 all versions, 6.2 all versions may allow an authenticated user to obtain unauthorized access to files and data via specifically crafted web requests.

Patch / fix

links 1

fortiguard.com/psirt/FG-IR-22-142 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-22)

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:P/RL:X/RC:C
CNA	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Fortinet FortiWeb

Classification

Weakness

CWE-23 Relative Path Traversal
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

Technology feeds

Fortinet rss critical rss

References

fortiguard.com /psirt/FG-IR-22-142
patch, vendor-advisory

Sources

CVE List CVE-2023-23778
NVD CVE-2023-23778

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary