Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2024-03-06 10:53

Modified

2026-09-08 08:34

Summary

Details

HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "consul",
        "purl": "pkg:bitnami/consul"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.9.0"
            },
            {
              "fixed": "1.9.8"
            },
            {
              "introduced": "1.10.0"
            },
            {
              "fixed": "1.10.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-36213"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*",
      "cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*"
    ],
    "severity": "High"
  },
  "details": "HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.",
  "id": "BIT-consul-2021-36213",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2024-03-06T10:53:11.575Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/hashicorp/consul/releases/tag/v1.10.1"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/202208-09"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.hashicorp.com/blog/category/consul"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36213"
    }
  ],
  "schema_version": "1.5.0"
}

CVE-2021-36213 (GCVE-0-2021-36213)

Vulnerability from cvelistv5 – Published: 2021-07-17 17:32 – Updated: 2024-08-04 00:54

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2310 records in the last 180 days details

References

4 references

URL	Tags
https://www.hashicorp.com/blog/category/consul	x_refsource_MISC
https://github.com/hashicorp/consul/releases/tag/…	x_refsource_CONFIRM
https://discuss.hashicorp.com/t/hcsec-2021-16-con…	x_refsource_CONFIRM
https://security.gentoo.org/glsa/202208-09	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:54:50.693Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.hashicorp.com/blog/category/consul"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/hashicorp/consul/releases/tag/v1.10.1"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855"
          },
          {
            "name": "GLSA-202208-09",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202208-09"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-08-10T05:08:41.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://www.hashicorp.com/blog/category/consul"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/hashicorp/consul/releases/tag/v1.10.1"
        },
        {
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          ],
          "url": "https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855"
        },
        {
          "name": "GLSA-202208-09",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202208-09"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-36213",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
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                          {
                            "version_value": "n/a"
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                      }
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
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                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.hashicorp.com/blog/category/consul",
              "refsource": "MISC",
              "url": "https://www.hashicorp.com/blog/category/consul"
            },
            {
              "name": "https://github.com/hashicorp/consul/releases/tag/v1.10.1",
              "refsource": "CONFIRM",
              "url": "https://github.com/hashicorp/consul/releases/tag/v1.10.1"
            },
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              "refsource": "CONFIRM",
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            },
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    "datePublished": "2021-07-17T17:32:36.000Z",
    "dateReserved": "2021-07-07T00:00:00.000Z",
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    "state": "PUBLISHED"
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}

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.

Vulnerability timeline

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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.

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