Search criteria
39 vulnerabilities
CVE-2025-13086 (GCVE-0-2025-13086)
Vulnerability from cvelistv5 – Published: 2025-12-03 19:54 – Updated: 2025-12-03 21:49
VLAI?
Summary
Improper validation of source IP addresses in OpenVPN version 2.6.0 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 ?
CWE
- CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2025-13751 (GCVE-0-2025-13751)
Vulnerability from cvelistv5 – Published: 2025-12-03 16:22 – Updated: 2025-12-03 16:32
VLAI?
Summary
Interactive service agent in OpenVPN version 2.5.0 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 ?
CWE
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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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)
CWE
- CWE-126 - Buffer Over-read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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CVE-2025-50055 (GCVE-0-2025-50055)
Vulnerability from cvelistv5 – Published: 2025-10-27 13:39 – Updated: 2025-10-30 18:23
VLAI?
Summary
Cross-site scripting (XSS) vulnerability in the SAML Authentication module in OpenVPN Access Server version 2.14.0 through 2.14.3 allows configured remote SAML Assertion Consumer Service (ACS) endpoint servers to inject arbitrary web script or HTML via the RelayState parameter
Severity ?
6.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN | Access Server |
Affected:
2.14.0 , ≤ 2.14.3
(semver)
|
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CVE-2025-10680 (GCVE-0-2025-10680)
Vulnerability from cvelistv5 – Published: 2025-10-24 10:06 – Updated: 2025-10-25 03:56
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)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-50054 (GCVE-0-2025-50054)
Vulnerability from cvelistv5 – Published: 2025-06-20 06:29 – Updated: 2025-06-23 15:48
VLAI?
Summary
Buffer 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 kernel driver resulting in a system crash
Severity ?
5.5 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN | ovpn-dco-win |
Affected:
0 , < 1.3.1
(semver)
Affected: 0 , < 2.5.9 (semver) |
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CVE-2025-3908 (GCVE-0-2025-3908)
Vulnerability from cvelistv5 – Published: 2025-05-19 14:59 – Updated: 2025-05-20 18:04
VLAI?
Summary
The 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 ownership and permissions of that destination directory.
Severity ?
6.2 (Medium)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN | OpenVPN 3 Linux |
Affected:
v20 , ≤ v24
(semver)
|
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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)
CWE
- CWE-268 - Privilege Chaining
Assigner
References
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CVE-2025-2704 (GCVE-0-2025-2704)
Vulnerability from cvelistv5 – Published: 2025-04-02 21:00 – Updated: 2025-10-23 10:53
VLAI?
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
Severity ?
7.5 (High)
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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CVE-2024-13454 (GCVE-0-2024-13454)
Vulnerability from cvelistv5 – Published: 2025-01-20 21:07 – Updated: 2025-01-21 20:01
VLAI?
Summary
Weak 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
Severity ?
5.3 (Medium)
CWE
- CWE-326 - Inadequate Encryption Strength
Assigner
References
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CVE-2024-5198 (GCVE-0-2024-5198)
Vulnerability from cvelistv5 – Published: 2025-01-15 12:57 – Updated: 2025-01-15 14:49
VLAI?
Summary
OpenVPN 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 dereference leading to a system halt.
Severity ?
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OpenVPN | ovpn-dco |
Affected:
1.1.1
|
|||||||
|
|||||||||
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CVE-2024-8474 (GCVE-0-2024-8474)
Vulnerability from cvelistv5 – Published: 2025-01-06 14:33 – Updated: 2025-01-06 16:54
VLAI?
Summary
OpenVPN 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 decrypt the VPN traffic
Severity ?
7.5 (High)
CWE
- CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN | OpenVPN Connect |
Affected:
0 , ≤ 3.5.0
(all releases)
|
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CVE-2024-5594 (GCVE-0-2024-5594)
Vulnerability from cvelistv5 – Published: 2025-01-06 13:52 – Updated: 2025-11-03 20:48
VLAI?
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.
Severity ?
9.1 (Critical)
CWE
- CWE-1287 - Improper Validation of Specified Type of Input
Assigner
References
{
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{
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00005.html"
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CVE-2024-28882 (GCVE-0-2024-28882)
Vulnerability from cvelistv5 – Published: 2024-07-08 21:30 – Updated: 2024-11-01 20:38
VLAI?
Summary
OpenVPN 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
Severity ?
4.3 (Medium)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
{
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CVE-2024-1305 (GCVE-0-2024-1305)
Vulnerability from cvelistv5 – Published: 2024-07-08 17:27 – Updated: 2024-08-23 03:55
VLAI?
Summary
tap-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 in a bug check and potentially
arbitrary code execution in kernel space
Severity ?
9.8 (Critical)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OpenVPN | tap-windows6 |
Affected:
9.26 or earlier
|
|||||||
|
|||||||||
{
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CVE-2024-27903 (GCVE-0-2024-27903)
Vulnerability from cvelistv5 – Published: 2024-07-08 10:27 – Updated: 2024-08-23 03:55
VLAI?
Summary
OpenVPN 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 with the privileged OpenVPN interactive service.
Severity ?
7.2 (High)
CWE
- CWE-283 - Unverified Ownership
Assigner
References
{
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{
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},
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CVE-2024-24974 (GCVE-0-2024-24974)
Vulnerability from cvelistv5 – Published: 2024-07-08 10:20 – Updated: 2024-08-10 03:55
VLAI?
Summary
The 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 OpenVPN interactive service.
Severity ?
7.5 (High)
CWE
- CWE-923 - Improper Restriction of Communication Channel to Intended Endpoints
Assigner
References
{
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CVE-2024-27459 (GCVE-0-2024-27459)
Vulnerability from cvelistv5 – Published: 2024-07-08 10:14 – Updated: 2024-08-23 15:05
VLAI?
Summary
The 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.
Severity ?
7.2 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN | OpenVPN GUI |
Affected:
2.6.9 and earlier
|
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CVE-2023-7235 (GCVE-0-2023-7235)
Vulnerability from cvelistv5 – Published: 2024-02-21 10:55 – Updated: 2024-08-26 16:13
VLAI?
Summary
The 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 installation path, which allows an attacker to replace binaries to run arbitrary executables.
Severity ?
8.4 (High)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
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CVE-2023-6247 (GCVE-0-2023-6247)
Vulnerability from cvelistv5 – Published: 2024-02-20 18:43 – Updated: 2024-10-28 00:05
VLAI?
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.
Severity ?
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN | OpenVPN 3 Core Library |
Affected:
3.0 , ≤ 3.8.3
(minor releases)
|
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CVE-2023-7245 (GCVE-0-2023-7245)
Vulnerability from cvelistv5 – Published: 2024-02-20 11:08 – Updated: 2024-08-14 14:36
VLAI?
Summary
The 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 nodejs process context via the ELECTRON_RUN_AS_NODE environment variable
Severity ?
7.8 (High)
CWE
- CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN | OpenVPN Connect |
Affected:
3.0 (Windows) , ≤ 3.4.3
(minor releases)
Affected: 3.0 (macOS) , ≤ 3.4.7 (minor releases) |
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CVE-2023-7224 (GCVE-0-2023-7224)
Vulnerability from cvelistv5 – Published: 2024-01-08 13:55 – Updated: 2024-09-04 19:13
VLAI?
Summary
OpenVPN 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
Severity ?
7.8 (High)
CWE
- CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN | OpenVPN Connect |
Affected:
3.0 , ≤ 3.4.6
(minor release)
|
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CVE-2023-46850 (GCVE-0-2023-46850)
Vulnerability from cvelistv5 – Published: 2023-11-11 00:15 – Updated: 2025-02-13 17:14
VLAI?
Summary
Use 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.
Severity ?
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OpenVPN | OpenVPN 2 (Community) |
Affected:
2.6.0 , ≤ 2.6.6
(minor release)
|
|||||||
|
|||||||||
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CVE-2023-46849 (GCVE-0-2023-46849)
Vulnerability from cvelistv5 – Published: 2023-11-11 00:05 – Updated: 2025-06-11 14:30
VLAI?
Summary
Using 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 application crash, leading to a denial of service.
Severity ?
7.5 (High)
CWE
- CWE-369 - Divide By Zero
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OpenVPN | OpenVPN 2 (Community) |
Affected:
2.6.0 , ≤ 2.6.6
(minor release)
|
|||||||
|
|||||||||
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CVE-2022-3761 (GCVE-0-2022-3761)
Vulnerability from cvelistv5 – Published: 2023-10-17 12:10 – Updated: 2024-08-03 01:20
VLAI?
Summary
OpenVPN 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 requests which contains the users credentials
Severity ?
No CVSS data available.
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN Inc | OpenVPN Connect |
Affected:
until 3.4.0.4506 , < 3.4.0.4506
(macOS)
Affected: until 3.4.0.3100 , < 3.4.0.3100 (Windows) |
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CVE-2021-4234 (GCVE-0-2021-4234)
Vulnerability from cvelistv5 – Published: 2022-07-06 19:10 – Updated: 2024-08-03 17:23
VLAI?
Summary
OpenVPN 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 respond to, resulting in a limited amplification attack.
Severity ?
No CVSS data available.
CWE
- CWE-406 - Insufficient Control of Network Message Volume
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | OpenVPN Access Server |
Affected:
2.10 and prior version
|
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CVE-2022-33738 (GCVE-0-2022-33738)
Vulnerability from cvelistv5 – Published: 2022-07-06 15:10 – Updated: 2024-08-03 08:09
VLAI?
Summary
OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal
Severity ?
No CVSS data available.
CWE
- CWE-331 - Insufficient Entropy
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | OpenVPN Access Server |
Affected:
until 2.11
|
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CVE-2022-33737 (GCVE-0-2022-33737)
Vulnerability from cvelistv5 – Published: 2022-07-06 15:09 – Updated: 2024-08-03 08:09
VLAI?
Summary
The 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
Severity ?
No CVSS data available.
CWE
- CWE-708 - Incorrect Ownership Assignment
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | OpenVPN Access Server |
Affected:
from version 2.10.0 and before 2.11.0
|
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CVE-2022-0547 (GCVE-0-2022-0547)
Vulnerability from cvelistv5 – Published: 2022-03-18 18:00 – Updated: 2025-11-03 20:34
VLAI?
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.
Severity ?
9.8 (Critical)
CWE
- CWE-305 - - Authentication Bypass by Primary Weakness
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2021-3824 (GCVE-0-2021-3824)
Vulnerability from cvelistv5 – Published: 2021-09-23 14:53 – Updated: 2024-08-03 17:09
VLAI?
Summary
OpenVPN 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.
Severity ?
No CVSS data available.
CWE
- CWE-84 - Improper Neutralization of Encoded URI Schemes in a Web Page
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | OpenVPN Access Server |
Affected:
2.9.0 through 2.9.4
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