Background exploitation KEV catalog

CVE-2022-41328

Fortinet FortiOS Path Traversal Vulnerability

A improper limitation of a pathname to a restricted directory vulnerability ('path traversal') [CWE-22] in Fortinet FortiOS version 7.2.0 through 7.2.3, 7.0.0 through 7.0.9 and before 6.4.11 allows a privileged attacker to read and write…

CheckOps priority index

4.7/10 Patch within 7 days

Severity6.5

Probability1.1

Exploitation3/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 10.7% higher than 95.8% of CVEs

CVSS 3.1 6.5 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:

Exploited for 1,330 days 14 Mar 2023

CISA due date 04 Apr 2023 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 3 / 5

KEV catalog (CISA)14 Mar 2023
Exploited in EUVD (ENISA)14 Mar 2023
Used by ransomwareno
EPSS above 10 %10.7%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

Affected products

FortiOS

Affected versions

7.2.0 ≤7.2.3
6.0.0 ≤6.0.16
6.4.0 ≤6.4.11
6.2.0 ≤6.2.13
7.0.0 ≤7.0.9

Weaknesses (CWE)

CWE-22

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

07 Mar 2023
Published
14 Mar 2023
Exploitation reported (ENISA)
14 Mar 2023
Added to the KEV catalog
04 Apr 2023
CISA remediation due date
26 Sept 2026
EPSS peak: 10.7%

References

Other exploited vulnerabilities from the same vendor

CVE-2025-61624Fortinet Multiple Products Path Traversal Vulnerability
3.4 · Rising fast
CVE-2026-104286Fortinet FortiMail Path Traversal Vulnerability
5.9 · Actively exploited
CVE-2025-25249Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
4.9 · Actively exploited
CVE-2025-68686Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
5.4 · Actively exploited
CVE-2026-39808Fortinet FortiSandbox OS Command Injection Vulnerability
8.8 · Actively exploited
CVE-2026-25089Fortinet FortiSandbox OS Command Injection Vulnerability
8.3 · Actively exploited