CVE-2021-46900 (GCVE-0-2021-46900)

Vulnerability from cvelistv5 – Published: 2023-12-31 00:00 – Updated: 2025-04-17 19:53
VLAI?
Summary
Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:17:42.970Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.sympa.community/security/2021-001.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/sympa-community/sympa/issues/1091"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-46900",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-05T18:52:22.884660Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-327",
                "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-17T19:53:17.720Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-31T04:25:34.516Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://www.sympa.community/security/2021-001.html"
        },
        {
          "url": "https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md"
        },
        {
          "url": "https://github.com/sympa-community/sympa/issues/1091"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-46900",
    "datePublished": "2023-12-31T00:00:00.000Z",
    "dateReserved": "2023-12-31T00:00:00.000Z",
    "dateUpdated": "2025-04-17T19:53:17.720Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"6.2.62\", \"matchCriteriaId\": \"9A9DE075-6416-41D9-972D-872DCA7E20AE\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.\"}, {\"lang\": \"es\", \"value\": \"Sympa anterior a 6.2.62 se basa en un par\\u00e1metro de cookie para ciertos objetivos de seguridad, pero no garantiza que este par\\u00e1metro exista y tenga un valor impredecible. Espec\\u00edficamente, el par\\u00e1metro cookie es a la vez un salt para contrase\\u00f1as almacenadas y un mecanismo de protecci\\u00f3n XSS.\"}]",
      "id": "CVE-2021-46900",
      "lastModified": "2024-11-21T06:34:53.330",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}]}",
      "published": "2023-12-31T05:15:08.040",
      "references": "[{\"url\": \"https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mitigation\", \"Vendor Advisory\"]}, {\"url\": \"https://github.com/sympa-community/sympa/issues/1091\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\", \"Mitigation\", \"Vendor Advisory\"]}, {\"url\": \"https://www.sympa.community/security/2021-001.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mitigation\", \"Vendor Advisory\"]}, {\"url\": \"https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mitigation\", \"Vendor Advisory\"]}, {\"url\": \"https://github.com/sympa-community/sympa/issues/1091\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Mitigation\", \"Vendor Advisory\"]}, {\"url\": \"https://www.sympa.community/security/2021-001.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mitigation\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-327\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-46900\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2023-12-31T05:15:08.040\",\"lastModified\":\"2025-04-17T20:15:21.370\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.\"},{\"lang\":\"es\",\"value\":\"Sympa anterior a 6.2.62 se basa en un par\u00e1metro de cookie para ciertos objetivos de seguridad, pero no garantiza que este par\u00e1metro exista y tenga un valor impredecible. Espec\u00edficamente, el par\u00e1metro cookie es a la vez un salt para contrase\u00f1as almacenadas y un mecanismo de protecci\u00f3n XSS.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-327\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-327\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.2.62\",\"matchCriteriaId\":\"9A9DE075-6416-41D9-972D-872DCA7E20AE\"}]}]}],\"references\":[{\"url\":\"https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/sympa-community/sympa/issues/1091\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://www.sympa.community/security/2021-001.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/sympa-community/sympa/issues/1091\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://www.sympa.community/security/2021-001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mitigation\",\"Vendor Advisory\"]}]}}"
  }
}


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.