CVE-2024-55591
CRITICAL CISA KEVCVSS v3
9.8
CRITICAL
EPSS Score
—
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy version 7.0.0 through 7.0.19 and 7.2.0 through 7.2.12 allows a remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.
CISA Known Exploited Vulnerability
- Date Added
- 1/14/2025
- Patch Due Date
- 1/21/2025
- Ransomware Use
- Known
- Required Action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 1/14/2025
- Last Modified
- 10/24/2025
- CERT-FR Advisory
- CERTFR-2025-ALE-002
- CERT-FR Link
- CERTFR-2025-ALE-002
Frequently Asked Questions
What is CVE-2024-55591?
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy version 7.0.0 through 7.0.19 and 7.2.0 through 7.2.12 allows a remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.
Is CVE-2024-55591 actively exploited?
Yes. CVE-2024-55591 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 1/21/2025.
What is the CVSS score for CVE-2024-55591?
CVE-2024-55591 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.
Is CVE-2024-55591 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.