CVE-2011-3372

Estado: ModificadaAlta (7.5)—

imap/nntpd.c in the NNTP server (nntpd) for Cyrus IMAPd 2.4.x before 2.4.12 allows remote attackers to bypass authentication by sending an AUTHINFO USER command without sending an additional AUTHINFO PASS command.

CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.29%
Percentil entre todas las CVEs puntuadas: 88
Fecha de la puntuación: 5/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Cyrus — Imapd

CWE

CWE-287

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2011-3372",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-12-24T19:55:01.773",
  "references": [
    {
      "url": "http://cyrusimap.org/mediawiki/index.php/Latest_Updates",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://git.cyrusimap.org/cyrus-imapd/commit/?id=77903669e04c9788460561dd0560b9c916519594",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/46093",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/secunia_research/2011-68",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://securitytracker.com/id?1026363",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2011/dsa-2318",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:149",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-1508.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=740822",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://cyrusimap.org/mediawiki/index.php/Latest_Updates",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://git.cyrusimap.org/cyrus-imapd/commit/?id=77903669e04c9788460561dd0560b9c916519594",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/46093",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/secunia_research/2011-68",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securitytracker.com/id?1026363",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2011/dsa-2318",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:149",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-1508.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=740822",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "imap/nntpd.c in the NNTP server (nntpd) for Cyrus IMAPd 2.4.x before 2.4.12 allows remote attackers to bypass authentication by sending an AUTHINFO USER command without sending an additional AUTHINFO PASS command."
    },
    {
      "lang": "es",
      "value": "imap/nntpd.c en el servidor NNTP (nntpd) para Cyrus IMAPd v2.4.x anterior a v2.4.12 permite a atacantes remotos eludir la autenticación enviando un comando AUTHINFO USER sin un comando AUTHINFO PASS adicional"
    }
  ],
  "lastModified": "2026-06-16T23:33:10.550",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cyrus:imapd:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2CBF26F9-8B11-4428-A03F-2D18EA85FAB0",
              "versionEndIncluding": "2.4.11"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}