Openvpn Access Server
By the Year
In 2024 there have been 0 vulnerabilities in Openvpn Access Server . Last year Openvpn Access Server had 2 security vulnerabilities published. Right now, Openvpn Access Server is on track to have less security vulnerabilities in 2024 than it did last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2024 | 0 | 0.00 |
| 2023 | 2 | 8.65 |
| 2022 | 3 | 7.50 |
| 2021 | 3 | 6.30 |
| 2020 | 3 | 8.27 |
| 2019 | 0 | 0.00 |
| 2018 | 0 | 0.00 |
It may take a day or so for new Openvpn Access Server vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Openvpn Access Server Security Vulnerabilities
Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir
CVE-2023-46850
9.8 - Critical
- November 11, 2023
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.
Dangling pointer
Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6
CVE-2023-46849
7.5 - High
- November 11, 2023
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.
Divide By Zero
OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent
CVE-2021-4234
7.5 - High
- July 06, 2022
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.
OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal
CVE-2022-33738
7.5 - High
- July 06, 2022
OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal
PRNG
The OpenVPN Access Server installer creates a log file readable for everyone, which
CVE-2022-33737
7.5 - High
- July 06, 2022
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
Insertion of Sensitive Information into Log File
OpenVPN Access Server 2.9.0 through 2.9.4
CVE-2021-3824
6.1 - Medium
- September 23, 2021
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.
XSS
OpenVPN Access Server 2.7.3 to 2.8.7
CVE-2020-36382
7.5 - High
- June 04, 2021
OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user authentication phase via incorrect authentication token data in an early phase of the user authentication resulting in a denial of service.
assertion failure
OpenVPN Access Server 2.8.7 and earlier versions
CVE-2020-15077
5.3 - Medium
- June 04, 2021
OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
authentification
OpenVPN Access Server older than version 2.8.4 and version 2.9.5 generates new user authentication tokens instead of reusing exiting tokens on reconnect making it possible to circumvent the initial token expiry timestamp.
CVE-2020-15074
7.5 - High
- July 14, 2020
OpenVPN Access Server older than version 2.8.4 and version 2.9.5 generates new user authentication tokens instead of reusing exiting tokens on reconnect making it possible to circumvent the initial token expiry timestamp.
Insufficient Session Expiration
An issue was discovered in OpenVPN Access Server before 2.7.0 and 2.8.x before 2.8.3
CVE-2020-11462
7.5 - High
- May 04, 2020
An issue was discovered in OpenVPN Access Server before 2.7.0 and 2.8.x before 2.8.3. With the full featured RPC2 interface enabled, it is possible to achieve a temporary DoS state of the management interface when sending an XML Entity Expansion (XEE) payload to the XMLRPC based RPC2 interface. The duration of the DoS state depends on available memory and CPU speed. The default restricted mode of the RPC2 interface is NOT vulnerable.
XEE
OpenVPN Access Server 2.8.x before 2.8.1
CVE-2020-8953
9.8 - Critical
- February 13, 2020
OpenVPN Access Server 2.8.x before 2.8.1 allows LDAP authentication bypass (except when a user is enrolled in two-factor authentication).
authentification
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