Critical severity · published Jan 14, 2025
CVE-2024-55591
Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability
RansomwareIn wildKEV
9.8
CVSS
94.4%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)94.4% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Jan 14, 2025
Federal remediation dueJan 21, 2025
Ransomware campaign useKnown
Affected products
Which versions
FO
FortiOS · Fortinet
7.0.0 through 7.0.16 · source: vendor, NVD
FO
FortiProxy · Fortinet
7.2.0 through 7.2.12; 7.0.0 through 7.0.19 · source: vendor, NVD
FA
FortiOS and FortiProxy · Fortinet
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-55591
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-55591
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
fortiguard.fortinet.com
https://fortiguard.fortinet.com/psirt/FG-IR-24-535
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