CVE-2012-6426

Estado: ModificadaAlta (7.5)—
LemonLDAP::NG before 1.2.3 does not use the signature-verification capability of the Lasso library, which allows remote attackers to bypass intended access-control restrictions via crafted SAML data.
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: 1.55%
Percentil entre todas las CVEs puntuadas: 74
Fecha de la puntuación: 6/10/2026
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)

Lemonldap-ng — Lemonldap\
CWE

CWE-264
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2012-6426",
  "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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2013-01-01T15:55:02.493",
  "references": [
    {
      "url": "http://jira.ow2.org/browse/LEMONLDAP-570",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2012/12/19/6",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2012/12/20/6",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://jira.ow2.org/browse/LEMONLDAP-570",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2012/12/19/6",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2012/12/20/6",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "LemonLDAP::NG before 1.2.3 does not use the signature-verification capability of the Lasso library, which allows remote attackers to bypass intended access-control restrictions via crafted SAML data."
    },
    {
      "lang": "es",
      "value": "LemonLDAP::NG antes de v1.2.3 no utiliza la capacidad de verificación de firma de la biblioteca Lasso, lo que permite a atacantes remotos evitar restricciones de control de acceso a través de los datos SAML elaborados."
    }
  ],
  "lastModified": "2026-06-16T23:48:04.843",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\::0.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9D5DE397-22D0-4DFC-8884-ED827206C03D"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\::0.7:beta:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF1264A0-364B-439D-BCB0-8FF2BE171C90"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\::0.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "238F6C20-6F9B-4A0C-922C-08630D25A878"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\::0.9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "528F1593-406A-4170-9D59-6A55638FC665"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\::1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "368C6300-8CD1-48E5-A334-D820B78C28C0"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\::1.0:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3E237CD3-C059-4F01-A4CC-0756465343DF"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\::1.0:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5BD61823-C2D8-495D-90A3-CB932FBF6AC5"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "716485DA-2ACE-40E9-946D-6C0D7A2E5709",
              "versionEndIncluding": "1.2.2"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:0.8.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "857A8822-238E-4A3E-8293-D45384EAA37F"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:0.8.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CE3C5F89-E040-4CD0-B30C-9D87007227CA"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:0.8.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B06F9784-2012-44FD-862F-B3AF351B5CF2"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:0.9.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "45B3A7F3-05B2-4B87-A66E-2F70F9918DD4"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:0.9.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "554072EE-2A17-4988-8470-ABEDFB1D02AF"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:0.9.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9B58AB9F-06A5-4EB3-A1B3-713D05C14E83"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:0.9.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2879AE4D-41D8-4402-B310-B4AB998EA37F"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "22209E9C-7C1A-4047-B98D-924EBE8D8255"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1A586686-9A6A-4E8B-8085-9A080BCDA7D7"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.0.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "13BA6093-E3C6-4FAF-AABE-6AF570D919F8"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.0.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C009D0C2-D885-479F-B650-D44DECDEA0CB"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.0.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "16315F68-A052-4437-80D8-FB70F2C849F9"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.0.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7018C0D4-5995-4F44-86D0-B9DF49D18222"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "366AB20B-80A7-4F82-8398-29C852389E8B"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "944D6801-AC4F-41EF-A250-1A314C94CEFC"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.1.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "99C5C9FE-778B-49A0-8349-14A26E90AE7D"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A6CBE4BA-8A6B-423C-AA76-BE375A6EB58E"
            },
            {
              "criteria": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:1.2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF920EA2-B35C-42F3-B27D-610A79A76AEE"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}