FKIE_CVE-2021-37703

Vulnerability from fkie_nvd - Published: 2021-08-13 16:15 - Updated: 2024-11-21 06:15
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Summary
Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed.
References
security-advisories@github.comhttps://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9Third Party Advisory
Impacted products
Vendor Product Version
discourse discourse *
discourse discourse 2.8.0
discourse discourse 2.8.0
discourse discourse 2.8.0
discourse discourse 2.8.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2A85C6E2-A78D-47B2-AE03-A12AE6A2E8BD",
              "versionEndExcluding": "2.7.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta1:*:*:*:*:*:*",
              "matchCriteriaId": "9E7F8AC4-35D1-45E5-8A3A-B0205000A5D3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta2:*:*:*:*:*:*",
              "matchCriteriaId": "B9AE12FE-0396-4843-8D30-D8C44FAE01DA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta3:*:*:*:*:*:*",
              "matchCriteriaId": "F101AEAB-4FB7-4BE3-931B-595702D616C7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta4:*:*:*:*:*:*",
              "matchCriteriaId": "F6878B7F-2691-4D3F-8116-CB282FDAAAC7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user\u0027s read state for a topic such as the last read post number and the notification level is exposed."
    },
    {
      "lang": "es",
      "value": "Discourse es una plataforma de c\u00f3digo abierto para el debate comunitario. En Discourse versiones anteriores a 2.7.8 y 2.8.0.beta5, el estado de lectura de un usuario para un tema, como el n\u00famero de la \u00faltima publicaci\u00f3n le\u00edda y el nivel de notificaci\u00f3n, est\u00e1 expuesto."
    }
  ],
  "id": "CVE-2021-37703",
  "lastModified": "2024-11-21T06:15:44.747",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "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": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-13T16:15:07.827",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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      ],
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}


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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.