Vulnerabilites related to openvpn - openvpn_3
CVE-2023-6247 (GCVE-0-2023-6247)
Vulnerability from cvelistv5
Published
2024-02-20 18:43
Modified
2024-10-28 00:05
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Summary
The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN 3 Core Library Version: 3.0
 Create a notification for this product.
Show details on NVD website

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              "confidentialityImpact": "NONE",
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              "userInteraction": "NONE",
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                "options": [
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                  }
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                "role": "CISA Coordinator",
                "timestamp": "2024-02-29T19:53:48.660572Z",
                "version": "2.0.3"
              },
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
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        "providerMetadata": {
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          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-6247"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "modules": [
            "PKCS#7"
          ],
          "product": "OpenVPN 3 Core Library",
          "vendor": "OpenVPN",
          "versions": [
            {
              "lessThanOrEqual": "3.8.3",
              "status": "affected",
              "version": "3.0",
              "versionType": "minor releases"
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-20T18:43:17.890Z",
        "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
        "shortName": "OpenVPN"
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      "references": [
        {
          "tags": [
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          "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-6247"
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  "cveMetadata": {
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    "datePublished": "2024-02-20T18:43:17.890Z",
    "dateReserved": "2023-11-21T20:06:31.515Z",
    "dateUpdated": "2024-10-28T00:05:34.713Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Vulnerability from fkie_nvd
Published
2024-02-29 01:42
Modified
2025-08-21 15:53
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.
References
security@openvpn.nethttps://community.openvpn.net/openvpn/wiki/CVE-2023-6247Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://community.openvpn.net/openvpn/wiki/CVE-2023-6247Patch, Vendor Advisory
Impacted products
Vendor Product Version
openvpn openvpn_3 *


To clipboard 

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    {
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          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn_3:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EBC9DB31-CCD7-43AC-B2E0-086EA347D4C0",
              "versionEndExcluding": "3.8.4",
              "vulnerable": true
            }
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          "operator": "OR"
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  "descriptions": [
    {
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      "value": "The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing."
    },
    {
      "lang": "es",
      "value": "El analizador PKCS#7 en las versiones de OpenVPN 3 Core Library hasta 3.8.3 no valid\u00f3 correctamente los datos analizados, lo que provocar\u00eda que la aplicaci\u00f3n fallara."
    }
  ],
  "id": "CVE-2023-6247",
  "lastModified": "2025-08-21T15:53:11.440",
  "metrics": {
    "cvssMetricV31": [
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
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        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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  },
  "published": "2024-02-29T01:42:34.380",
  "references": [
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      "source": "security@openvpn.net",
      "tags": [
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      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-6247"
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}