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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\u00a0Node.js websocket module.","epss":{"date":"2026-11-12","epss":0.9435,"percentile":0.99853},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2024-55591","cwes":["CWE-288"],"dateAdded":"2025-01-14","dueDate":"2025-01-21","forensicTriage":"No","knownRansomwareCampaignUse":"Known","notes":"https://fortiguard.fortinet.com/psirt/FG-IR-24-535 ; https://nvd.nist.gov/vuln/detail/CVE-2024-55591","product":"FortiOS and FortiProxy","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","shortDescription":"Fortinet FortiOS and FortiProxy contain an authentication bypass vulnerability that may allow an unauthenticated, remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.","vendorProject":"Fortinet","vulnerabilityName":"Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability"},"kev_checked":1794522003,"products":"Fortinet FortiOS, Fortinet FortiProxy","references":["https://fortiguard.fortinet.com/psirt/FG-IR-24-535","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55591"],"score":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","provider":"fortinet","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C","version":"3.1"},"solutions":"Upgrade to FortiOS version 7.0.17 or above\nUpgrade to FortiProxy version 7.2.13 or above\nUpgrade to FortiProxy version 7.0.20 or above","state":"PUBLISHED","title":"Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}