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CVE-2021-22923 (GCVE-0-2021-22923)

Vulnerability from cvelistv5 – Published: 2021-08-05 00:00 – Updated: 2024-11-19 14:25
VLAI
Summary
When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often contrary to the user's expectations and intentions and without telling the user it happened.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-19 14:25 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information (CWE-319)
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a https://github.com/curl/curl Affected: curl 7.27.0 to and including 7.77.0
Show details on NVD website
To clipboard 

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        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T07:43:32+00:00",
      "cve": "CVE-2021-22923",
      "id": "CVE-2021-22923",
      "initial_release_date": "2021-07-21T06:00:00+00:00",
      "product_status:fixed": "90",
      "product_status:known_affected": "3",
      "product_status:known_not_affected": "25",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "curl: Metalink download sends credentials",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-22923.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T18:58:26.153Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
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                "url": "https://hackerone.com/reports/1213181"
              },
              {
                "name": "FEDORA-2021-5d21b90a30",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRUCW2UVNYUDZF72DQLFQR4PJEC6CF7V/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
              },
              {
                "tags": [
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                "url": "https://security.netapp.com/advisory/ntap-20210902-0003/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
              },
              {
                "name": "GLSA-202212-01",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://security.gentoo.org/glsa/202212-01"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-22923",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-11-19T14:25:07.338932Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
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              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-11-19T14:25:13.032Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "https://github.com/curl/curl",
              "vendor": "n/a",
              "versions": [
                {
                  "status": "affected",
                  "version": "curl 7.27.0 to and including 7.77.0"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often contrary to the user\u0027s expectations and intentions and without telling the user it happened."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-319",
                  "description": "Cleartext Transmission of Sensitive Information (CWE-319)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2022-12-19T00:00:00",
            "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
            "shortName": "hackerone"
          },
          "references": [
            {
              "url": "https://hackerone.com/reports/1213181"
            },
            {
              "name": "FEDORA-2021-5d21b90a30",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRUCW2UVNYUDZF72DQLFQR4PJEC6CF7V/"
            },
            {
              "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
            },
            {
              "url": "https://security.netapp.com/advisory/ntap-20210902-0003/"
            },
            {
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
            },
            {
              "name": "GLSA-202212-01",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://security.gentoo.org/glsa/202212-01"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "assignerShortName": "hackerone",
        "cveId": "CVE-2021-22923",
        "datePublished": "2021-08-05T00:00:00",
        "dateReserved": "2021-01-06T00:00:00",
        "dateUpdated": "2024-11-19T14:25:24.567Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.