CVE-2025-45311

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbitrary operations as root. NOTE: this is disputed by multiple parties because the action for a triggered rule can legitimately be an arbitrary operation as root. Thus, the software is behaving in accordance with its intended privilege model."}, {"lang": "es", "value": "Permisos inseguros en fail2ban-cliente v0.11.2 permiten a atacantes con privilegios sudo limitados realizar operaciones arbitrarias como root."}], "id": "CVE-2025-45311", "lastModified": "2026-11-04T23:10:00.223", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-45311", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-11-28T19:53:31.392245Z", "version": "2.0.3"}}]}, "published": "2025-11-26T16:15:47.663", "references": [{"source": "cve@mitre.org", "url": "https://gist.github.com/R-Security/1c707a08f9c7f9a91d9d84b5010aaed2"}, {"source": "cve@mitre.org", "url": "https://github.com/fail2ban/fail2ban/issues/4110"}, {"source": "cve@mitre.org", "url": "https://packetstorm.news/files/id/189989"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/12/03/2"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-11-27T16:26:09.486074+00:00", "updated": "2025-11-27T16:26:09.486107+00:00", "vendors": ["fail2ban", "fail2ban$PRODUCT$fail2ban"]}