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8 vulnerabilities found for openvpn by openvpn

CVE-2025-10680 (GCVE-0-2025-10680)
Vulnerability from nvd
Published
2025-10-24 10:06
Modified
2025-10-25 03:56
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Summary
OpenVPN 2.7_alpha1 through 2.7_beta1 on POSIX based platforms allows a remote authenticated server to inject shell commands via DNS variables when --dns-updown is in use
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Version: 2.7_alpha1   ≤ 2.7_beta1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-2704 (GCVE-0-2025-2704)
Vulnerability from nvd
Published
2025-04-02 21:00
Modified
2025-10-23 10:53
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Version: 2.6.1   ≤ 2.6.13
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-5594 (GCVE-0-2024-5594)
Vulnerability from nvd
Published
2025-01-06 13:52
Modified
2025-11-03 20:48
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which an attacker controlling the server can use to inject unexpected arbitrary data ending up in client logs.
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Version: 0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-0547 (GCVE-0-2022-0547)
Vulnerability from nvd
Published
2022-03-18 18:00
Modified
2025-11-03 20:34
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-305 - - Authentication Bypass by Primary Weakness
Summary
OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials.
References
Impacted products
Vendor Product Version
n/a OpenVPN Version: version 2.1 until version 2.4.12 and 2.5.6.
Show details on NVD website

To clipboard 

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CVE-2025-10680 (GCVE-0-2025-10680)
Vulnerability from cvelistv5
Published
2025-10-24 10:06
Modified
2025-10-25 03:56
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Summary
OpenVPN 2.7_alpha1 through 2.7_beta1 on POSIX based platforms allows a remote authenticated server to inject shell commands via DNS variables when --dns-updown is in use
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Version: 2.7_alpha1   ≤ 2.7_beta1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-2704 (GCVE-0-2025-2704)
Vulnerability from cvelistv5
Published
2025-04-02 21:00
Modified
2025-10-23 10:53
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Version: 2.6.1   ≤ 2.6.13
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-5594 (GCVE-0-2024-5594)
Vulnerability from cvelistv5
Published
2025-01-06 13:52
Modified
2025-11-03 20:48
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which an attacker controlling the server can use to inject unexpected arbitrary data ending up in client logs.
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Version: 0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-0547 (GCVE-0-2022-0547)
Vulnerability from cvelistv5
Published
2022-03-18 18:00
Modified
2025-11-03 20:34
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-305 - - Authentication Bypass by Primary Weakness
Summary
OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials.
References
Impacted products
Vendor Product Version
n/a OpenVPN Version: version 2.1 until version 2.4.12 and 2.5.6.
Show details on NVD website

To clipboard 

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              "name": "https://community.openvpn.net/openvpn/wiki/CVE-2022-0547",
              "refsource": "MISC",
              "url": "https://community.openvpn.net/openvpn/wiki/CVE-2022-0547"
            },
            {
              "name": "https://openvpn.net/community-downloads/",
              "refsource": "MISC",
              "url": "https://openvpn.net/community-downloads/"
            },
            {
              "name": "FEDORA-2022-7d46acce7c",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R36OYC5SJ6FLPVAYJYYT4MOJ2I7MGYFF/"
            },
            {
              "name": "FEDORA-2022-cb4c1146dc",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GFXJ35WKPME4HYNQCQNAJHLCZOJL2SAE/"
            },
            {
              "name": "[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
    "assignerShortName": "OpenVPN",
    "cveId": "CVE-2022-0547",
    "datePublished": "2022-03-18T18:00:20.000Z",
    "dateReserved": "2022-02-08T00:00:00.000Z",
    "dateUpdated": "2025-11-03T20:34:30.191Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}