CVE-2025-45311

{"id": "CVE-2025-45311", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2025-11-26T16:15:47.663", "references": [{"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": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2025/12/03/2", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-266"}]}], "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."}], "lastModified": "2025-12-03T16:15:55.590", "sourceIdentifier": "cve@mitre.org"}