{"id":"CVE-2025-45311","aliases":["DEBIAN-CVE-2025-45311","EUVD-2025-199734","GHSA-4w79-7ch5-4xhw"],"status":"disputed","title":"Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to...","description":"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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00396,"percentile":0.34246,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-266"],"published":"2025-11-26T00:00:00Z","modified":"2026-11-04T23:10:00Z","references":[{"url":"https://packetstorm.news/files/id/189989"},{"url":"https://gist.github.com/R-Security/1c707a08f9c7f9a91d9d84b5010aaed2"},{"url":"https://github.com/fail2ban/fail2ban/issues/4110"},{"url":"http://www.openwall.com/lists/oss-security/2025/12/03/2"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-45311"},{"url":"https://github.com/advisories/GHSA-4w79-7ch5-4xhw"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-45311","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-45311","description":"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.","status":"disputed","published":"2025-11-26T00:00:00Z","modified":"2025-12-03T16:05:06.094Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:32:36.385228Z"}],"euvd":[{"id":"EUVD-2025-199734","description":"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.","status":"published","published":"2025-11-26T00:00:00Z","modified":"2025-12-03T16:05:06Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:10.321316Z"}],"ghsa":[{"id":"GHSA-4w79-7ch5-4xhw","title":"Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to...","description":"Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbitrary operations as root.","status":"published","published":"2025-11-26T18:31:03Z","modified":"2025-12-03T18:30:23Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T15:05:01.323335Z"}],"nvd":[{"id":"CVE-2025-45311","description":"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.","status":"disputed","published":"2025-11-26T16:15:47.663Z","modified":"2026-11-04T23:10:00.223Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-266"],"updated_at":"2026-11-05T01:45:08.806554Z"}],"osv":[{"id":"DEBIAN-CVE-2025-45311","description":"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.","status":"withdrawn","published":"2025-11-26T16:15:47.663Z","modified":"2025-12-02T22:38:30.10856Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:47.378563Z"}]}}