Openvpn
Openvpn Access Server: vulnerabilidades y CVE
Openvpn Access Server tiene 22 vulnerabilidades publicadas, 2 de ellas en los últimos 12 meses. 2 son críticas y 0 figuran en el catálogo de explotación activa de CISA.
CVE22
Últimos 12 meses2
Críticas2
Explotadas activamente0
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Últimas vulnerabilidades
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2025-3110 | Media (6.9) | 0.45% | — | 8 jul 2026 | OpenVPN 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 behind a reverse proxy |
| CVE-2025-50055 | Media (6.4) | 0.21% | — | 27 oct 2025 | 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… |
| CVE-2023-46850 | Crítica (9.8) | 2.0% | — | 11 nov 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. |
| CVE-2023-46849 | Alta (7.5) | 1.2% | — | 11 nov 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. |
| CVE-2021-4234 | Alta (7.5) | 0.89% | — | 6 jul 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… |
| CVE-2022-33738 | Alta (7.5) | 0.92% | — | 6 jul 2022 | OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal |
| CVE-2022-33737 | Alta (7.5) | 0.87% | — | 6 jul 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 |
| CVE-2021-3824 | Media (6.1) | 0.75% | — | 23 sept 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. |
| CVE-2020-36382 | Alta (7.5) | 1.9% | — | 4 jun 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… |
| CVE-2020-15077 | Media (5.3) | 1.2% | — | 4 jun 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… |
| CVE-2020-15074 | Alta (7.5) | 1.0% | — | 14 jul 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… |
| CVE-2020-11462 | Alta (7.5) | 1.3% | — | 4 may 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… |
| CVE-2020-8953 | Crítica (9.8) | 1.3% | — | 13 feb 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). |
| CVE-2017-5868 | Media (6.1) | 4.6% | — | 26 may 2017 | CRLF injection vulnerability in the web interface in OpenVPN Access Server 2.1.4 allows remote attackers to inject arbitrary HTTP headers and consequently conduct session fixation attacks and possibly HTTP response… |
| CVE-2014-8104 | Media (6.8) | 3.5% | — | 3 dic 2014 | OpenVPN 2.x before 2.0.11, 2.1.x, 2.2.x before 2.2.3, and 2.3.x before 2.3.6 allows remote authenticated users to cause a denial of service (server crash) via a small control channel packet. |
| CVE-2014-9104 | Media (6.8) | 0.88% | — | 26 nov 2014 | Multiple cross-site request forgery (CSRF) vulnerabilities in the XML-RPC API in the Desktop Client in OpenVPN Access Server 1.5.6 and earlier allow remote attackers to hijack the authentication of administrators for… |
| CVE-2013-2692 | Media (6.8) | 0.97% | — | 13 may 2014 | Cross-site request forgery (CSRF) vulnerability in the Admin web interface in OpenVPN Access Server before 1.8.5 allows remote attackers to hijack the authentication of administrators for requests that create… |
| CVE-2013-2061 | Baja (2.6) | 2.8% | — | 18 nov 2013 | The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that… |
| CVE-2006-2229 | Media (4) | 1.3% | — | 5 may 2006 | OpenVPN 2.0.7 and earlier, when configured to use the --management option with an IP that is not 127.0.0.1, uses a cleartext password for TCP sessions to the management interface, which might allow remote attackers to… |
| CVE-2006-1629 | Alta (9) | 3.1% | — | 6 abr 2006 | OpenVPN 2.0 through 2.0.5 allows remote malicious servers to execute arbitrary code on the client by using setenv with the LD_PRELOAD environment variable. |
| CVE-2005-3409 | Media (5) | 2.5% | — | 2 nov 2005 | OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service (segmentation fault) by forcing the accept function call to return an error status, which leads to a null… |
| CVE-2005-3393 | Alta (7.5) | 3.5% | — | 1 nov 2005 | Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option. |