CVE-2025-45311

{
  "id": "CVE-2025-45311",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-26T16:15:47.663",
  "lastModified": "2026-11-04T23:10:00.223",
  "vulnStatus": "Deferred",
  "cveTags": [
    {
      "sourceIdentifier": "[email protected]",
      "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."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-28T19:53:31.392245Z",
          "id": "CVE-2025-45311",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-266"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gist.github.com/R-Security/1c707a08f9c7f9a91d9d84b5010aaed2",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/fail2ban/fail2ban/issues/4110",
      "source": "[email protected]"
    },
    {
      "url": "https://packetstorm.news/files/id/189989",
      "source": "[email protected]"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2025/12/03/2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}