Paper/Archive/CVE-2024-55591

CVE-2024-55591

Fortinet FortiOS — Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability

KEV · due 21 Jan ransomware use EPSS 94%public exploit SSVC act CVSS 9.6

CVSS 9.6 (CNA)9.6 / 10 × 3028.8 In CISA KEV+3030.0 EPSS percentile 99.9.999 × 2020.0 Exploit: SSVC active+1010.0 SSVC exploitation: active+1010.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

FortiOS7.0.0 – 7.0.16–CNA

FortiProxy7.2.0 – 7.2.12–CNA

FortiProxy7.0.0 – 7.0.19–CNA

Scores by source

fortinet (CNA)9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

reffortiguard.fortinet.com/psirt/FG-IR-24-535 refcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55591 kevcisa.gov/known-exploited-vulnerabilities-catalog