FKIE_CVE-2021-21439

Vulnerability from fkie_nvd - Published: 2021-06-14 08:15 - Updated: 2024-11-21 05:48
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
DoS attack can be performed when an email contains specially designed URL in the body. It can lead to the high CPU usage and cause low quality of service, or in extreme case bring the system to a halt. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions; 8.0.x version 8.0.13 and prior versions.
References
security@otrs.comhttps://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
security@otrs.comhttps://otrs.com/release-notes/otrs-security-advisory-2021-09/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
af854a3a-2127-422b-91ae-364da2661108https://otrs.com/release-notes/otrs-security-advisory-2021-09/Vendor Advisory
Impacted products
Vendor Product Version
otrs otrs *
otrs otrs *
otrs otrs *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
              "matchCriteriaId": "58EDB086-8414-4EBD-8C19-1402C800DFD6",
              "versionEndIncluding": "6.0.30",
              "versionStartIncluding": "6.0.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4FDBB41C-E915-41DF-8E95-8BB17798F20A",
              "versionEndExcluding": "7.0.27",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "042B7D35-918B-4716-A819-9AE29ECF50AD",
              "versionEndExcluding": "8.0.14",
              "versionStartIncluding": "8.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "DoS attack can be performed when an email contains specially designed URL in the body. It can lead to the high CPU usage and cause low quality of service, or in extreme case bring the system to a halt. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions; 8.0.x version 8.0.13 and prior versions."
    },
    {
      "lang": "es",
      "value": "El ataque de DoS puede ser llevado a cabo cuando un correo electr\u00f3nico contiene una URL especialmente dise\u00f1ada en el cuerpo. Puede conllevar a un alto uso de la CPU y causar una baja calidad de servicio, o en caso extremo llevar el sistema a una parada. Este problema afecta a: OTRS AG ((OTRS)) Community Edition versi\u00f3n 6.0.x, 6.0.1 y versiones posteriores. OTRS AG OTRS versi\u00f3n 7.0.x, 7.0.26 y versiones anteriores; versi\u00f3n 8.0.x,  8.0.13 y versiones anteriores"
    }
  ],
  "id": "CVE-2021-21439",
  "lastModified": "2024-11-21T05:48:21.857",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "security@otrs.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-14T08:15:10.097",
  "references": [
    {
      "source": "security@otrs.com",
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html"
    },
    {
      "source": "security@otrs.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-09/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-09/"
    }
  ],
  "sourceIdentifier": "security@otrs.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ],
      "source": "security@otrs.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.