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CVE-2014-2576

Status: ModifiedMedium (6.8)—

plugins/rssyl/feed.c in Claws Mail before 3.10.0 disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Claws-mail — Claws-mailOpensuse — Opensuse

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2014-2576",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-10-15T14:55:06.290",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2014-10/msg00015.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://seclists.org/oss-sec/2014/q1/636",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/60422",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://sourceforge.net/p/claws-mail/news/2014/05/claws-mail-3100-unleashed/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3106",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2014-10/msg00015.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/oss-sec/2014/q1/636",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/60422",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://sourceforge.net/p/claws-mail/news/2014/05/claws-mail-3100-unleashed/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3106",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "plugins/rssyl/feed.c in Claws Mail before 3.10.0 disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks."
    },
    {
      "lang": "es",
      "value": "plugins/rssyl/feed.c en Claws Mail anterior a 3.10.0 deshabilita el check CURLOPT_SSL_VERYHOST para un los campos de nombre de anfitrión en CN o SAN, lo cual facilita a atacantes remotos la suplantación de servidores y la ejecución de ataques man-in-the-middle (MITM)."
    }
  ],
  "lastModified": "2026-06-17T00:06:49.627",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:claws-mail:claws-mail:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5464B4BA-5F3A-43D4-A17E-6FF2A0114CB4",
              "versionEndIncluding": "3.9.3"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DFBF430B-0832-44B0-AA0E-BA9E467F7668"
            },
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}