Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 61.7%; technical severity is CVSS 9.8.
A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, FortiPAM versions 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiSwitchManager versions 7.2.0 through 7.2.3, 7.0.0 through 7.0.3 allows attacker to execute unauthorized code or commands via specially crafted packets.
Who should care
- Teams operating FortiOS, Fortipam, Fortiproxy +2 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether FortiOS, Fortipam, Fortiproxy +2 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Vendor advisory from fortiguard.com
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-134
- Affected versions
- Fortinet FortiOS (Start Including 7.0.0, End Including 7.0.13 | Start Including 7.2.0, End Including 7.2.6 | Start Including 7.4.0, End Including 7.4.2); Fortinet Fortipam (Start Including 1.0.0, End Including 1.0.3 | Start Including 1.1.0, End Including 1.1.2 | Version 1.2.0); Fortinet Fortiproxy (Start Including 7.0.0, End Including 7.0.14 | Start Including 7.2.0, End Including 7.2.8 | Start Including 7.4.0, End Including 7.4.2); Fortinet Fortiswitchmanager (Start Including 7.0.0, End Including 7.0.3 | Start Including 7.2.0, End Including 7.2.3); Fortinet Multiple Products
- Fixed versions
- No explicit fixed version is currently recorded.
- Published
- 15 February 2024
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 61.7%
- Signal calculated at 81