Vulnerability-Lookup

FKIE_CVE-2021-21285

Vulnerability from fkie_nvd - Published: 2021-02-02 18:15 - Updated: 2026-06-17 03:35

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

In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing.

References

URL	Tags
security-advisories@github.com	https://docs.docker.com/engine/release-notes/#20103	Release Notes, Vendor Advisory
security-advisories@github.com	https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30	Patch, Third Party Advisory
security-advisories@github.com	https://github.com/moby/moby/releases/tag/v19.03.15	Release Notes, Third Party Advisory
security-advisories@github.com	https://github.com/moby/moby/releases/tag/v20.10.3	Release Notes, Third Party Advisory
security-advisories@github.com	https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8	Third Party Advisory
security-advisories@github.com	https://security.gentoo.org/glsa/202107-23	Patch, Third Party Advisory
security-advisories@github.com	https://security.netapp.com/advisory/ntap-20210226-0005/	Third Party Advisory
security-advisories@github.com	https://www.debian.org/security/2021/dsa-4865	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://docs.docker.com/engine/release-notes/#20103	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/moby/moby/releases/tag/v19.03.15	Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/moby/moby/releases/tag/v20.10.3	Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/202107-23	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.netapp.com/advisory/ntap-20210226-0005/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2021/dsa-4865	Third Party Advisory

Impacted products

Vendor	Product	Version
docker	docker	*
docker	docker	*
debian	debian_linux	10.0
netapp	e-series_santricity_os_controller	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "moby",
          "vendor": "moby",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 19.03.15"
            },
            {
              "status": "affected",
              "version": "\u003e= 20.0.0, \u003c 20.10.3"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C6B22016-AB78-4E82-9F65-AEC2526F3EDF",
              "versionEndExcluding": "19.03.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4427D14-D219-490B-8467-40FE253775A1",
              "versionEndExcluding": "20.10.3",
              "versionStartIncluding": "20.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7402489D-85E5-4662-BF87-259740DC72F8",
              "versionEndIncluding": "11.60.3",
              "versionStartIncluding": "11.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing."
    },
    {
      "lang": "es",
      "value": "En Docker versiones anteriores a 9.03.15, 20.10.3, se presenta una vulnerabilidad en la que al extraer un manifiesto de imagen de Docker malformado intencionalmente, bloquea al demonio dockerd.\u0026#xa0;Las versiones 20.10.3 y 19.03.15 contienen parches que impiden al demonio bloquearse"
    }
  ],
  "id": "CVE-2021-21285",
  "lastModified": "2026-06-17T03:35:11.753",
  "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-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
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          "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": "2021-02-02T18:15:12.203",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://docs.docker.com/engine/release-notes/#20103"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/releases/tag/v19.03.15"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/releases/tag/v20.10.3"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202107-23"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20210226-0005/"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://docs.docker.com/engine/release-notes/#20103"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/releases/tag/v19.03.15"
    },
    {
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        "Third Party Advisory"
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      "url": "https://github.com/moby/moby/releases/tag/v20.10.3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8"
    },
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      "url": "https://security.netapp.com/advisory/ntap-20210226-0005/"
    },
    {
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      "tags": [
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      "url": "https://www.debian.org/security/2021/dsa-4865"
    }
  ],
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  "vulnStatus": "Modified",
  "weaknesses": [
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        {
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          "value": "CWE-400"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-21285 (GCVE-0-2021-21285)

Vulnerability from cvelistv5 – Published: 2021-02-02 17:55 – Updated: 2024-08-03 18:09

Title

Docker daemon crash during image pull of malicious image

Summary

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

GitHub_M mitre root

References

8 references

URL	Tags
https://github.com/moby/moby/security/advisories/…	x_refsource_CONFIRM
https://docs.docker.com/engine/release-notes/#20103	x_refsource_MISC
https://github.com/moby/moby/releases/tag/v20.10.3	x_refsource_MISC
https://github.com/moby/moby/releases/tag/v19.03.15	x_refsource_MISC
https://github.com/moby/moby/commit/8d3179546e790…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2021022…	x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4865	vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/202107-23	vendor-advisoryx_refsource_GENTOO

Impacted products

1 product

Vendor	Product	Version
moby	moby	Affected: < 19.03.15 Affected: >= 20.0.0, < 20.10.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:09:15.012Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://docs.docker.com/engine/release-notes/#20103"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/moby/moby/releases/tag/v20.10.3"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/moby/moby/releases/tag/v19.03.15"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210226-0005/"
          },
          {
            "name": "DSA-4865",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
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            "url": "https://www.debian.org/security/2021/dsa-4865"
          },
          {
            "name": "GLSA-202107-23",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202107-23"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "moby",
          "vendor": "moby",
          "versions": [
            {
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      "metrics": [
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            "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",
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        },
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          "url": "https://github.com/moby/moby/releases/tag/v20.10.3"
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          "url": "https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30"
        },
        {
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          "url": "https://security.netapp.com/advisory/ntap-20210226-0005/"
        },
        {
          "name": "DSA-4865",
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            "x_refsource_DEBIAN"
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        },
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            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202107-23"
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      ],
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        "advisory": "GHSA-6fj5-m822-rqx8",
        "discovery": "UNKNOWN"
      },
      "title": "Docker daemon crash during image pull of malicious image",
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          "ID": "CVE-2021-21285",
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          "TITLE": "Docker daemon crash during image pull of malicious image"
        },
        "affects": {
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              {
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                    {
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                      "version": {
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                          {
                            "version_value": "\u003c 19.03.15"
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                          }
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        "data_version": "4.0",
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            }
          ]
        },
        "impact": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
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            "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",
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                }
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        },
        "references": {
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              "refsource": "CONFIRM",
              "url": "https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8"
            },
            {
              "name": "https://docs.docker.com/engine/release-notes/#20103",
              "refsource": "MISC",
              "url": "https://docs.docker.com/engine/release-notes/#20103"
            },
            {
              "name": "https://github.com/moby/moby/releases/tag/v20.10.3",
              "refsource": "MISC",
              "url": "https://github.com/moby/moby/releases/tag/v20.10.3"
            },
            {
              "name": "https://github.com/moby/moby/releases/tag/v19.03.15",
              "refsource": "MISC",
              "url": "https://github.com/moby/moby/releases/tag/v19.03.15"
            },
            {
              "name": "https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30",
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              "url": "https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210226-0005/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210226-0005/"
            },
            {
              "name": "DSA-4865",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2021/dsa-4865"
            },
            {
              "name": "GLSA-202107-23",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202107-23"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-6fj5-m822-rqx8",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-21285",
    "datePublished": "2021-02-02T17:55:16.000Z",
    "dateReserved": "2020-12-22T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:09:15.012Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.