« Volver al listado

CVE-2020-1772

Estado: ModificadaAlta (7.5)—

It's possible to craft Lost Password requests with wildcards in the Token value, which allows attacker to retrieve valid Token(s), generated by users which already requested new passwords. This issue affects: ((OTRS)) Community Edition 5.0.41 and prior versions, 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions.

CVSS

Probabilidad de explotación (EPSS)

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 (4)

Debian — Debian LinuxOpensuse — Backports SLEOpensuse — LeapOtrs — Otrs

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-1772",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@otrs.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4.2,
        "exploitabilityScore": 2.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@otrs.com",
      "affectedData": [
        {
          "vendor": "OTRS AG",
          "product": "((OTRS)) Community Edition",
          "versions": [
            {
              "status": "affected",
              "version": "5.0.x",
              "versionType": "custom",
              "lessThanOrEqual": "5.0.41"
            },
            {
              "status": "affected",
              "version": "6.0.x",
              "versionType": "custom",
              "lessThanOrEqual": "6.0.26"
            }
          ]
        },
        {
          "vendor": "OTRS AG",
          "product": "OTRS",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.x",
              "versionType": "custom",
              "lessThanOrEqual": "7.0.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-03-27T13:15:15.393",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00000.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html",
      "source": "security@otrs.com"
    },
    {
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2020-09/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00000.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2020-09/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@otrs.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-155"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "It's possible to craft Lost Password requests with wildcards in the Token value, which allows attacker to retrieve valid Token(s), generated by users which already requested new passwords. This issue affects: ((OTRS)) Community Edition 5.0.41 and prior versions, 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions."
    },
    {
      "lang": "es",
      "value": "Es posible diseñar peticiones de Contraseña Perdida con wildcards en el valor de Token, permite a un atacante  recuperar Token(s) válidos, generados por usuarios que ya solicitaron nuevas contraseñas. Este problema afecta a: ((OTRS)) Community Edition versiones 5.0.41 y anteriores, versiones 6.0.26 y anteriores. OTRS; versiones 7.0.15 y  anteriores."
    }
  ],
  "lastModified": "2026-06-17T03:02:22.333",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D59B7180-350C-4CB2-82F6-DE65E13AEED9",
              "versionEndIncluding": "5.0.41",
              "versionStartIncluding": "5.0.0"
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0EF80E5E-ED59-4BEE-9EBF-34485DCABED1",
              "versionEndIncluding": "6.0.26",
              "versionStartIncluding": "6.0.0"
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "57789F0A-B1F9-4E57-BA71-5558A285D1CA",
              "versionEndIncluding": "7.0.15",
              "versionStartIncluding": "7.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D83DA865-E4A6-4FBF-AA1B-A969EBA6B2AD"
            },
            {
              "criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "40513095-7E6E-46B3-B604-C926F1BA3568"
            },
            {
              "criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "67E82302-4B77-44F3-97B1-24C18AC4A35D"
            },
            {
              "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"
            },
            {
              "criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@otrs.com"
}