OP
Vendor
Openvpn
13 products with CVEs on record
108
CVEs
0
On KEV
6
New 30D
Products
Recent CVEs
CVEProductCVSSEPSSPublishedSummary
CVE-2026-115402
New
OV
ovpn-dco-win
OpenVPN
5.7–Oct 28OpenVPN ovpn-dco-win 0.6.5 through 2.8.13 allows unprivileged local users to cause a denial of service (system crash) via a race condition in the TCP connect path
CVE-2026-106017
New
O3
OpenVPN 3 Core Library
OpenVPN
6.3
0%
Oct 22Improper certificate validation in the OpenVPN 3 Core library version 3.4 through 3.11.7 allows attackers to circumvent extended key usage restrictions
CVE-2026-84471
OP
OpenVPN
OpenVPN
7.2
0%
Oct 14The fix for CVE-2026-12996 was incomplete
CVE-2026-105390
OV
ovpn-dco-win
OpenVPN
6.9
0%
Oct 13Improper synchronization in the OpenVPN ovpn-dco-win for Windows versions 0.6.5 through 1.3.5 and 2.4.0 through 2.8.7 allows local attackers to trigger a deadlock via a crafted…
CVE-2026-88964
OP
OpenVPN
OpenVPN
7.1
0%
Oct 13An integer underflow in OpenVPN version 2.7_alpha3 through 2.7.7 on Windows and Android allows remote authenticated servers to cause a denial of service or memory disclosure via…
CVE-2026-84790
OP
OpenVPN
OpenVPN
7.6
0%
Oct 13OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field
CVE-2026-82325
OV
ovpn-dco-win
OpenVPN
6.8
0%
Sep 7A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version 2.5.0 through 2.8.6 allows local authenticated users to cause a system crash via crafted control messages
CVE-2026-84732
OP
OpenVPN
OpenVPN
8.7
0%
Sep 7Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout…
CVE-2026-84256
OP
OpenVPN
OpenVPN
7.7
0%
Sep 7An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22 and 2.7_alpha1 through 2.7.7 on Windows allows remote authenticated users to execute arbitrary commands via a crafted…
CVE-2026-84226
OP
OpenVPN
OpenVPN
8.5
0%
Sep 7OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to perform a binary planting attack during network configuration steps
CVE-2026-82312
OP
OpenVPN
OpenVPN
1.8
0%
Sep 7OpenVPN 2.0.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to cause a denial of service via a NULL DACL on named IPC objects
CVE-2026-81830
OP
OpenVPN
OpenVPN
5.6
0%
Sep 7The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path…
CVE-2026-81738
OP
OpenVPN
OpenVPN
2.3
0%
Sep 7OpenVPN 2.5.0 through 2.7.6 on Windows using the tap-windows6 driver allows attackers to trigger an out-of-bounds write via crafted DOMAIN-SEARCH entries
CVE-2026-78221
OP
OpenVPN
OpenVPN
5.9
0%
Sep 7An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to cause memory corruption or disclose…
CVE-2026-78043
OP
OpenVPN
OpenVPN
5.6
0%
Sep 7The Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary…
CVE-2026-63650
OP
OpenVPN
OpenVPN
2.0
0%
Aug 14OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field
CVE-2026-63649
OP
OpenVPN
OpenVPN
4.1
0%
Aug 14The Windows interactive service in OpenVPN 2.4.0 through 2.6.21 and 2.7_alpha1 through 2.7.5 allows local authenticated users to bypass the trusted configuration directory…
CVE-2026-12932
OP
OpenVPN
OpenVPN
8.1
0%
Jul 30A 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…
CVE-2026-12996
OP
OpenVPN
OpenVPN
8.1
0%
Jul 30A 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…
CVE-2026-11771
OP
OpenVPN
OpenVPN
7.5
0%
Jul 30OpenVPN 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…
CVE-2026-13117
OP
OpenVPN
OpenVPN
8.1
0%
Jul 30An 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,…
CVE-2026-13379
OP
OpenVPN
OpenVPN
9.1
0%
Jul 30The 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…
CVE-2025-3110
AS
Access Server
OpenVPN
7.5
0%
Jul 8OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed…
CVE-2026-13122
OP
OpenVPN
Openvpn
5.3
0%
Jul 6OpenVPN 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…
CVE-2026-13698
OP
OpenVPN
OpenVPN
7.5
1%
Jul 6A 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…
CVE-2026-11604
OV
ovpn-dco-win
OpenVPN
6.5
0%
Jun 10An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based…
CVE-2026-40215
OP
OpenVPN
OpenVPN
7.4
0%
Jun 8A 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…
CVE-2026-35058
OP
OpenVPN
OpenVPN
6.5
1%
Jun 8Improper 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…
CVE-2026-9560
CO
Connect
Openvpn
7.8
1%
May 26Privilege escalation via background service of OpenVPN Connect 3.5.1 through 3.8.1 on macOS allows attackers to execute arbitrary commands with elevated privileges via local IPC…
CVE-2026-2738
OV
ovpn-dco-win
OpenVPN
5.6
0%
Feb 19Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end…
CVE-2025-15497
OP
OpenVPN
OpenVPN
3.8
0%
Jan 30Insufficient 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
CVE-2025-13086
OP
Openvpn
Openvpn
7.5
1%
Dec 3Improper 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…
CVE-2025-13751
OP
Openvpn
Openvpn
5.5
0%
Dec 3Interactive 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…
CVE-2025-12106
OP
Openvpn
Openvpn
9.1
1%
Dec 1Insufficient 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
CVE-2025-50054
OV
Ovpn-dco-win
Openvpn
5.5
0%
Jun 20Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the…
CVE-2025-3908
OP
Openvpn3linux
Openvpn
6.2
0%
May 19The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the…
CVE-2024-4877
OP
Openvpn
Openvpn
8.8
0%
Apr 3OpenVPN 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…
CVE-2025-2704
OP
Openvpn
Openvpn
7.5
1%
Apr 2OpenVPN 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…
CVE-2024-13454
EA
Easy-rsa
Openvpn
5.3
0%
Jan 20Weak encryption algorithm in Easy-RSA version 3.0.5 through 3.1.7 allows a local attacker to more easily bruteforce the private CA key when created using OpenSSL 3
CVE-2024-5198
OV
Ovpn-dco-win
Openvpn
3.3
0%
Jan 15OpenVPN ovpn-dco for Windows version 1.1.1 allows an unprivileged local attacker to send I/O control messages with invalid data to the driver resulting in a NULL pointer…
CVE-2024-8474
OC
OpenVPN Connect
OpenVPN
7.5
1%
Jan 6OpenVPN Connect before version 3.5.0 can contain the configuration profile's clear-text private key which is logged in the application log, which an unauthorized actor can use to…
CVE-2024-5594
OP
OpenVPN
OpenVPN
9.1
1%
Jan 6OpenVPN 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
CVE-2024-28882
OP
Openvpn
Openvpn
4.3
1%
Jul 8OpenVPN from 2.6.0 through 2.6.10 in a server role accepts multiple exit notifications from authenticated clients which will extend the validity of a closing session
CVE-2024-1305
TA
Tap-windows6
Openvpn
9.8
15%
Jul 8tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting…
CVE-2024-27903
OP
Openvpn
Openvpn
9.8
9%
Jul 8OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact…
CVE-2024-27459
OP
Openvpn
Openvpn
7.8
8%
Jul 8The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges
CVE-2024-24974
OP
Openvpn
Openvpn
7.5
10%
Jul 8The interactive service in OpenVPN 2.6.9 and earlier allows the OpenVPN service pipe to be accessed remotely, which allows a remote attacker to interact with the privileged…
CVE-2023-6247
O3
Openvpn 3
Openvpn
6.5
1%
Feb 29The 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
CVE-2023-7235
OG
Openvpn Gui
Openvpn
8.4
0%
Feb 21The OpenVPN GUI installer before version 2.6.9 did not set the proper access control restrictions to the installation directory of OpenVPN binaries when using a non-standard…
CVE-2023-7245
CO
Connect
Openvpn
7.8
0%
Feb 20The nodejs framework in OpenVPN Connect 3.0 through 3.4.3 (Windows)/3.4.7 (macOS) was not properly configured, which allows a local user to execute arbitrary code within the…
CVE-2023-7224
CO
Connect
Openvpn
7.8
0%
Jan 8OpenVPN Connect version 3.0 through 3.4.6 on macOS allows local users to execute code in external third party libraries using the DYLD_INSERT_LIBRARIES environment variable
CVE-2023-46850
OP
Openvpn
Openvpn
9.8
2%
Nov 11Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer
CVE-2023-46849
OP
Openvpn
Openvpn
7.5
1%
Nov 11Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an…
CVE-2022-3761
CO
Connect
Openvpn
5.9
1%
Oct 17OpenVPN Connect versions before 3.4.0.4506 (macOS) and OpenVPN Connect before 3.4.0.3100 (Windows) allows man-in-the-middle attackers to intercept configuration profile download…
CVE-2020-20813
OP
Openvpn
Openvpn
7.5
1%
Aug 22Control Channel in OpenVPN 2.4.7 and earlier allows remote attackers to cause a denial of service via crafted reset packet
CVE-2021-4234
OA
Openvpn Access Server
Openvpn
7.5
1%
Jul 6OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not…
CVE-2022-33738
OA
Openvpn Access Server
Openvpn
7.5
1%
Jul 6OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal
CVE-2022-33737
OA
Openvpn Access Server
Openvpn
7.5
1%
Jul 6The OpenVPN Access Server installer creates a log file readable for everyone, which from version 2.10.0 and before 2.11.0 may contain a random generated admin password
CVE-2022-0547
OP
Openvpn
Openvpn
9.8
4%
Mar 18OpenVPN 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,…
CVE-2021-3824
OA
Openvpn Access Server
Openvpn
6.1
1%
Sep 23OpenVPN Access Server 2.9.0 through 2.9.4 allow remote attackers to inject arbitrary web script or HTML via the web login page URL