CVE-2010-2075

Estado: ModificadaAlta (7.5)—

UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an externally introduced modification (Trojan Horse) in the DEBUG3_DOLOG_SYSTEM macro, which allows remote attackers to execute arbitrary commands.

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: 84%
Percentil entre todas las CVEs puntuadas: 100
Fecha de la puntuación: 3/10/2026

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)

Unrealircd — Unrealircd

CWE

CWE-20

Referencias

JSON original (NVD)

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{
  "id": "CVE-2010-2075",
  "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": "2010-06-15T14:04:26.327",
  "references": [
    {
      "url": "http://osvdb.org/65445",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2010/Jun/277",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2010/Jun/284",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/40169",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-201006-21.xml",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.exploit-db.com/exploits/13853",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2010/06/14/11",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/40820",
      "tags": [
        "Exploit"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.unrealircd.com/txt/unrealsecadvisory.20100612.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/1437",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://osvdb.org/65445",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2010/Jun/277",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2010/Jun/284",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/40169",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-201006-21.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.exploit-db.com/exploits/13853",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2010/06/14/11",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/40820",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.unrealircd.com/txt/unrealsecadvisory.20100612.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/1437",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an externally introduced modification (Trojan Horse) in the DEBUG3_DOLOG_SYSTEM macro, which allows remote attackers to execute arbitrary commands."
    },
    {
      "lang": "es",
      "value": "Versiones de UnrealIRCd v3.2.8.1, distribuidas en ciertos sitios espejo (mirrors) desde Noviembre de 2009 hasta Junio de 2010 contienen una modificación introducida externamente (Caballo de Troya)en la macro DEBUG3_DOLOG_SYSTEM, que permite a atacantes remotos ejecutar comandos de su elección."
    }
  ],
  "lastModified": "2026-06-16T23:19:56.130",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:unrealircd:unrealircd:3.2.8.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "60C4474E-516D-4938-A148-42E16FE589DF"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "Per: http://www.unrealircd.com/txt/unrealsecadvisory.20100612.txt\r\n\r\n'Official precompiled Windows binaries (SSL and non-ssl) are NOT affected.\r\n\r\nCVS is also not affected.\r\n\r\n3.2.8 and any earlier versions are not affected.\r\n\r\nAny Unreal3.2.8.1.tar.gz downloaded BEFORE November 10 2009 should be safe, but you should really double-check, see next.'",
  "sourceIdentifier": "secalert@redhat.com"
}