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    160 vulnerabilities found for OpenVPN by OpenVPN

    CVE-2026-13379 (GCVE-0-2026-13379)

    Vulnerability from nvd – Published: 2026-07-30 16:28 – Updated: 2026-07-30 18:09
    VLAI
    Summary
    The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process
    Severity
    5.1 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:L/SC:H/SI:N/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-142 - Improper neutralization of value delimiters
    • CWE-125 - Out-of-bounds read
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-13117 (GCVE-0-2026-13117)

    Vulnerability from nvd – Published: 2026-07-30 16:32 – Updated: 2026-07-30 18:08
    VLAI
    Summary
    An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage
    Severity
    6 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-12996 (GCVE-0-2026-12996)

    Vulnerability from nvd – Published: 2026-07-30 16:38 – Updated: 2026-07-30 18:07
    VLAI
    Summary
    A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry
    Severity
    6 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-12932 (GCVE-0-2026-12932)

    Vulnerability from nvd – Published: 2026-07-30 16:42 – Updated: 2026-07-30 18:05
    VLAI
    Summary
    A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets
    Severity
    7.1 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-401 - Missing release of memory after effective lifetime
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-11771 (GCVE-0-2026-11771)

    Vulnerability from nvd – Published: 2026-07-30 16:36 – Updated: 2026-07-30 18:04
    VLAI
    Summary
    OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server
    Severity
    7 (High)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.1.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-13122 (GCVE-0-2026-13122)

    Vulnerability from nvd – Published: 2026-07-06 14:32 – Updated: 2026-07-06 15:51
    VLAI
    Summary
    OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled
    Severity
    5.9 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Openvpn OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-13698 (GCVE-0-2026-13698)

    Vulnerability from nvd – Published: 2026-07-06 14:13 – Updated: 2026-07-06 15:28
    VLAI
    Summary
    A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
    Severity
    6 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-401 - Missing release of memory after effective lifetime
    • CWE-770 - Allocation of resources without limits or throttling
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.5.11 (semver)
    Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-40215 (GCVE-0-2026-40215)

    Vulnerability from nvd – Published: 2026-06-08 19:59 – Updated: 2026-06-16 12:24
    VLAI
    Summary
    A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.
    Severity
    6.1 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.19 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-35058 (GCVE-0-2026-35058)

    Vulnerability from nvd – Published: 2026-06-08 19:29 – Updated: 2026-06-08 19:49
    VLAI
    Summary
    Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.19 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-15497 (GCVE-0-2025-15497)

    Vulnerability from nvd – Published: 2026-01-30 18:06 – Updated: 2026-01-30 19:29
    VLAI
    Summary
    Insufficient epoch key slot processing in OpenVPN 2.7_alpha1 through 2.7_rc5 allows remote authenticated users to trigger an assert resulting in a denial of service
    Severity
    3.8 (Low)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7_rc5 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-13086 (GCVE-0-2025-13086)

    Vulnerability from nvd – Published: 2025-12-03 19:54 – Updated: 2025-12-12 13:50
    VLAI
    Summary
    Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
    Severity
    4.6 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-940 - Improper Verification of Source of a Communication Channel
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.15 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7_rc1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-13751 (GCVE-0-2025-13751)

    Vulnerability from nvd – Published: 2025-12-03 16:22 – Updated: 2025-12-12 13:56
    VLAI
    Summary
    Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service.
    Severity
    1.3 (Low)
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Clear
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    • CWE-775 - Missing Release of File Descriptor or Handle after Effective Lifetime
    • CWE-841 - Improper Enforcement of Behavioral Workflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.16 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7_rc2 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-12106 (GCVE-0-2025-12106)

    Vulnerability from nvd – Published: 2025-12-01 12:43 – Updated: 2025-12-01 18:50
    VLAI
    Summary
    Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses
    Severity
    9.1 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7_rc1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-10680 (GCVE-0-2025-10680)

    Vulnerability from nvd – Published: 2025-10-24 10:06 – Updated: 2026-02-26 16:57
    VLAI
    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
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7_beta1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2024-4877 (GCVE-0-2024-4877)

    Vulnerability from nvd – Published: 2025-04-03 15:11 – Updated: 2025-04-04 13:25
    VLAI
    Summary
    OpenVPN version 2.4.0 through 2.6.10 on Windows allows an external, lesser privileged process to create a named pipe which the OpenVPN GUI component would connect to allowing it to escalate its privileges
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.4.0 , ≤ 2.6.11 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-12932 (GCVE-0-2026-12932)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:42 – Updated: 2026-07-30 18:05
    VLAI
    Summary
    A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets
    Severity
    7.1 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-401 - Missing release of memory after effective lifetime
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-12996 (GCVE-0-2026-12996)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:38 – Updated: 2026-07-30 18:07
    VLAI
    Summary
    A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry
    Severity
    6 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-11771 (GCVE-0-2026-11771)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:36 – Updated: 2026-07-30 18:04
    VLAI
    Summary
    OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server
    Severity
    7 (High)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.1.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-13117 (GCVE-0-2026-13117)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:32 – Updated: 2026-07-30 18:08
    VLAI
    Summary
    An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage
    Severity
    6 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-13379 (GCVE-0-2026-13379)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:28 – Updated: 2026-07-30 18:09
    VLAI
    Summary
    The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process
    Severity
    5.1 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:L/SC:H/SI:N/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-142 - Improper neutralization of value delimiters
    • CWE-125 - Out-of-bounds read
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-13122 (GCVE-0-2026-13122)

    Vulnerability from cvelistv5 – Published: 2026-07-06 14:32 – Updated: 2026-07-06 15:51
    VLAI
    Summary
    OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled
    Severity
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    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Openvpn OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-13698 (GCVE-0-2026-13698)

    Vulnerability from cvelistv5 – Published: 2026-07-06 14:13 – Updated: 2026-07-06 15:28
    VLAI
    Summary
    A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
    Severity
    6 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-401 - Missing release of memory after effective lifetime
    • CWE-770 - Allocation of resources without limits or throttling
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.5.11 (semver)
    Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-40215 (GCVE-0-2026-40215)

    Vulnerability from cvelistv5 – Published: 2026-06-08 19:59 – Updated: 2026-06-16 12:24
    VLAI
    Summary
    A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.
    Severity
    6.1 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.19 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-35058 (GCVE-0-2026-35058)

    Vulnerability from cvelistv5 – Published: 2026-06-08 19:29 – Updated: 2026-06-08 19:49
    VLAI
    Summary
    Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.
    Severity
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    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.19 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-15497 (GCVE-0-2025-15497)

    Vulnerability from cvelistv5 – Published: 2026-01-30 18:06 – Updated: 2026-01-30 19:29
    VLAI
    Summary
    Insufficient epoch key slot processing in OpenVPN 2.7_alpha1 through 2.7_rc5 allows remote authenticated users to trigger an assert resulting in a denial of service
    Severity
    3.8 (Low)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7_rc5 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-13086 (GCVE-0-2025-13086)

    Vulnerability from cvelistv5 – Published: 2025-12-03 19:54 – Updated: 2025-12-12 13:50
    VLAI
    Summary
    Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
    Severity
    4.6 (Medium)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-940 - Improper Verification of Source of a Communication Channel
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.15 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7_rc1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-13751 (GCVE-0-2025-13751)

    Vulnerability from cvelistv5 – Published: 2025-12-03 16:22 – Updated: 2025-12-12 13:56
    VLAI
    Summary
    Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service.
    Severity
    1.3 (Low)
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Clear
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    • CWE-775 - Missing Release of File Descriptor or Handle after Effective Lifetime
    • CWE-841 - Improper Enforcement of Behavioral Workflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.16 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7_rc2 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-12106 (GCVE-0-2025-12106)

    Vulnerability from cvelistv5 – Published: 2025-12-01 12:43 – Updated: 2025-12-01 18:50
    VLAI
    Summary
    Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses
    Severity
    9.1 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7_rc1 (semver)
    		Create a notification for this product.
    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 – Updated: 2026-02-26 16:57
    VLAI
    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
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7_beta1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2024-4877 (GCVE-0-2024-4877)

    Vulnerability from cvelistv5 – Published: 2025-04-03 15:11 – Updated: 2025-04-04 13:25
    VLAI
    Summary
    OpenVPN version 2.4.0 through 2.6.10 on Windows allows an external, lesser privileged process to create a named pipe which the OpenVPN GUI component would connect to allowing it to escalate its privileges
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.4.0 , ≤ 2.6.11 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
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    "adp": [
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        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-4877",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-04T13:23:24.817604Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-04T13:25:17.430Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "OpenVPN",
          "vendor": "OpenVPN",
          "versions": [
            {
              "lessThanOrEqual": "2.6.11",
              "status": "affected",
              "version": "2.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "OpenVPN version 2.4.0 through 2.6.10 on Windows allows an external, lesser privileged process to create a named pipe which the OpenVPN GUI component would connect to allowing it to escalate its privileges"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-268",
              "description": "CWE-268 Privilege Chaining",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2025-04-03T15:11:51.057Z",
        "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
        "shortName": "OpenVPN"
      },
      "references": [
        {
          "url": "https://community.openvpn.net/openvpn/wiki/CVE-2024-4877"
        },
        {
          "url": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07634.html"
        }
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  },
  "cveMetadata": {
    "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
    "assignerShortName": "OpenVPN",
    "cveId": "CVE-2024-4877",
    "datePublished": "2025-04-03T15:11:51.057Z",
    "dateReserved": "2024-05-14T17:31:57.913Z",
    "dateUpdated": "2025-04-04T13:25:17.430Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1"
}