CVE-2022-41328
Fortinet FortiOS Path Traversal Vulnerability
Fortinet FortiOS
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 files on the underlying Linux system via crafted CLI commands.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 14 March 2023. US federal agencies were required to remediate it by 4 April 2023.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 10.7%, which is higher than 95.8% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2022-41328 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2022-41328.
What does CVE-2022-41328 affect?
CVE-2022-41328 affects Fortinet FortiOS. 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 files on the underlying Linux system via crafted CLI commands.
How severe is CVE-2022-41328?
CVE-2022-41328 is rated MEDIUM with a CVSS base score of 6.7. EPSS puts the probability of exploitation in the next 30 days at 10.7%, higher than 95.8% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 4 April 2023.
How should organisations respond to CVE-2022-41328?
Apply the vendor patch for Fortinet FortiOS as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.