Vulnerability-Lookup

GHSA-2CGW-C87G-WW8Q

Vulnerability from github – Published: 2022-05-24 19:07 – Updated: 2022-10-27 19:00

Details

OpenVPN 3 Core Library version 3.6 and 3.6.1 allows a man-in-the-middle attacker to bypass the certificate authentication by issuing an unrelated server certificate using the same hostname found in the verify-x509-name option in a client configuration.

Severity

7.4 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-3547"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-07-12T11:15:00Z",
    "severity": "HIGH"
  },
  "details": "OpenVPN 3 Core Library version 3.6 and 3.6.1 allows a man-in-the-middle attacker to bypass the certificate authentication by issuing an unrelated server certificate using the same hostname found in the verify-x509-name option in a client configuration.",
  "id": "GHSA-2cgw-c87g-ww8q",
  "modified": "2022-10-27T19:00:41Z",
  "published": "2022-05-24T19:07:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3547"
    },
    {
      "type": "WEB",
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2021-3547"
    },
    {
      "type": "WEB",
      "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-3547 (GCVE-0-2021-3547)

Vulnerability from cvelistv5 – Published: 2021-07-12 10:35 – Updated: 2024-08-03 17:01

Summary

Severity

No CVSS data available.

CWE

CWE-305 - Authentication Bypass by Primary Weakness

Assigner

OpenVPN

References

2 references

URL	Tags
https://community.openvpn.net/openvpn/wiki/Securi…	x_refsource_MISC
https://community.openvpn.net/openvpn/wiki/CVE-20…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	OpenVPN 3 Core Library	Affected: 3.6 and 3.6.1

Show details on NVD website

JSON

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:01:06.568Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements"
          },
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://community.openvpn.net/openvpn/wiki/CVE-2021-3547"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenVPN 3 Core Library",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "3.6 and 3.6.1"
            }
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        }
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          "lang": "en",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "CWE-305: Authentication Bypass by Primary Weakness",
              "lang": "en",
              "type": "CWE"
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-12T10:35:52.000Z",
        "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
        "shortName": "OpenVPN"
      },
      "references": [
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          ],
          "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements"
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          ],
          "url": "https://community.openvpn.net/openvpn/wiki/CVE-2021-3547"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@openvpn.net",
          "ID": "CVE-2021-3547",
          "STATE": "PUBLIC"
        },
        "affects": {
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              {
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        "description": {
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            }
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        },
        "problemtype": {
          "problemtype_data": [
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  "cveMetadata": {
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    "datePublished": "2021-07-12T10:35:52.000Z",
    "dateReserved": "2021-05-11T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:01:06.568Z",
    "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.

Action not permitted

GHSA-2CGW-C87G-WW8Q

CVE-2021-3547 (GCVE-0-2021-3547)

Tags

Sightings

Nomenclature