CVE-2026-24641

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7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow an authenticated attacker to crash the HTTP daemon via crafted HTTP requests."}, {"lang": "es", "value": "Una vulnerabilidad de desreferencia de puntero nulo [CWE-476] vulnerabilidad en Fortinet FortiWeb 8.0.0 hasta 8.0.2, FortiWeb 7.6.0 hasta 7.6.6, FortiWeb 7.4 todas las versiones, FortiWeb 7.2 todas las versiones, FortiWeb 7.0 todas las versiones puede permitir a un atacante autenticado bloquear el demonio HTTP a trav\u00e9s de solicitudes HTTP manipuladas."}], "id": "CVE-2026-24641", "lastModified": "2026-11-06T16:18:00.530", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 1.4, "source": "psirt@fortinet.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-24641", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-12T14:27:30.386135Z", "version": "2.0.3"}}]}, "published": "2026-03-10T18:18:28.687", "references": [{"source": "psirt@fortinet.com", "tags": ["Vendor Advisory"], "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-089"}], "sourceIdentifier": "psirt@fortinet.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "psirt@fortinet.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,8.0.2]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.6.0,7.6.6]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.4.0,7.4.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.2.0,7.2.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.0.12]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "FortiWeb", "source": "cna", "vendor": "Fortinet"}, "product": "fortiweb", "vendor": "fortinet"}], "analysis": {"en": {"generated_at": "2026-04-16T03:49:01.178286+00:00", "value": {"mitigation_remediation": ["Apply the official FortiWeb update to version 8.0.3 or later, or to 7.6.7 or later, depending on your current release. This patch removes the NULL pointer dereference issue that allows the HTTP daemon to crash.", "Reboot the FortiWeb appliance after the upgrade to ensure the new firmware and configuration changes take effect.", "Implement network access controls to restrict unauthenticated HTTP traffic to trusted sources and monitor HTTP service logs for crash events until the patch has been deployed across all appliances."], "summary": {"action": "Patch", "impact": "Denial of Service via HTTP daemon crash"}, "threat_synthesis": {"affected_systems": "Affected products include FortiWeb from version 7.0 through 8.0. The vulnerability impacts FortiWeb 8.0.0\u20118.0.2, 7.6.0\u20117.6.6, all 7.4 releases, all 7.2 releases, and all 7.0 releases.", "description_and_impact": "A NULL pointer dereference flaw in Fortinet FortiWeb allows an authenticated attacker to send specially crafted HTTP requests that cause the HTTP service to crash. The attack does not grant code execution or privilege escalation; instead, it results in a denial of service where the web interface becomes unavailable until the service or appliance is restarted.", "risk_and_exploitability": "With a CVSS score of 2.5, the flaw is considered low severity. The EPSS score of less than 1% indicates a very low probability that the vulnerability will be actively exploited in the wild, and it is not listed in the CISA KEV catalog. Exploitation requires the attacker to be authenticated to the FortiWeb appliance, after which they can send malformed HTTP requests from the network. The available remediation is an official patch; no known workarounds exist."}}}}, "created": "2026-03-11T11:49:10.713553+00:00", "title": "NULL Pointer Dereference Crash in FortiWeb HTTP Daemon", "updated": "2026-04-16T04:00:09.436985+00:00", "vendors": ["fortinet", "fortinet$PRODUCT$fortiweb"]}