CVE-2024-55591

Known Exploited

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.

Remediation

Solution:

  • Please upgrade to FortiOS version 7.0.17 or above Please upgrade to FortiProxy version 7.2.13 or above Please upgrade to FortiProxy version 7.0.20 or above

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 94.03% Top 5%
KEV Since 
Vendor Advisory fortinet.com
Affected: Fortinet FortiOS
Affected: Fortinet FortiProxy
Published at:
Updated at:

References

Link Tags
https://fortiguard.fortinet.com/psirt/FG-IR-24-535 mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-55591?
CVE-2024-55591 has been scored as a critical severity vulnerability.
How to fix CVE-2024-55591?
To fix CVE-2024-55591: Please upgrade to FortiOS version 7.0.17 or above Please upgrade to FortiProxy version 7.2.13 or above Please upgrade to FortiProxy version 7.0.20 or above
Is CVE-2024-55591 being actively exploited in the wild?
It is confirmed that CVE-2024-55591 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-55591?
CVE-2024-55591 affects Fortinet FortiOS, Fortinet FortiProxy.
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