Filtered by vendor Openvpn
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Total
43 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2006-1629 | 1 Openvpn | 2 Openvpn, Openvpn Access Server | 2020-05-12 | 9.0 HIGH | N/A |
| 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 | 1 Openvpn | 2 Openvpn, Openvpn Access Server | 2020-05-12 | 5.0 MEDIUM | N/A |
| 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 dereference in an exception handler. | |||||
| CVE-2020-8953 | 1 Openvpn | 1 Openvpn Access Server | 2020-05-12 | 7.5 HIGH | 9.8 CRITICAL |
| 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-2005-3393 | 1 Openvpn | 2 Openvpn, Openvpn Access Server | 2020-05-12 | 7.5 HIGH | N/A |
| 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. | |||||
| CVE-2020-11462 | 1 Openvpn | 1 Openvpn Access Server | 2020-05-12 | 4.3 MEDIUM | 7.5 HIGH |
| 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. | |||||
| CVE-2020-9442 | 2 Microsoft, Openvpn | 2 Windows, Connect | 2020-03-03 | 7.2 HIGH | 7.8 HIGH |
| OpenVPN Connect 3.1.0.361 on Windows has Insecure Permissions for %PROGRAMDATA%\OpenVPN Connect\drivers\tap\amd64\win10, which allows local users to gain privileges by copying a malicious drvstore.dll there. | |||||
| CVE-2017-7479 | 1 Openvpn | 1 Openvpn | 2019-10-02 | 4.0 MEDIUM | 6.5 MEDIUM |
| OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker. | |||||
| CVE-2017-7520 | 1 Openvpn | 1 Openvpn | 2019-10-02 | 4.0 MEDIUM | 7.4 HIGH |
| OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker. | |||||
| CVE-2017-7508 | 1 Openvpn | 1 Openvpn | 2019-10-02 | 5.0 MEDIUM | 7.5 HIGH |
| OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet. | |||||
| CVE-2017-7521 | 1 Openvpn | 1 Openvpn | 2019-10-02 | 4.3 MEDIUM | 5.9 MEDIUM |
| OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension(). | |||||
| CVE-2016-6329 | 1 Openvpn | 1 Openvpn | 2019-07-09 | 4.3 MEDIUM | 5.9 MEDIUM |
| OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a "Sweet32" attack. | |||||
| CVE-2014-9104 | 1 Openvpn | 1 Openvpn Access Server | 2018-10-09 | 6.8 MEDIUM | N/A |
| 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 requests that (1) disconnecting established VPN sessions, (2) connect to arbitrary VPN servers, or (3) create VPN profiles and execute arbitrary commands via crafted API requests. | |||||
| CVE-2018-9336 | 2 Openvpn, Slackware | 2 Openvpn, Slackware Linux | 2018-06-13 | 4.6 MEDIUM | 7.8 HIGH |
| openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service. This could cause a denial-of-service through memory corruption or possibly have unspecified other impact including privilege escalation. | |||||
| CVE-2018-7544 | 1 Openvpn | 1 Openvpn | 2018-04-10 | 6.4 MEDIUM | 9.1 CRITICAL |
| ** DISPUTED ** A cross-protocol scripting issue was discovered in the management interface in OpenVPN through 2.4.5. When this interface is enabled over TCP without a password, and when no other clients are connected to this interface, attackers can execute arbitrary management commands, obtain sensitive information, or cause a denial of service (SIGTERM) by triggering XMLHttpRequest actions in a web browser. This is demonstrated by a multipart/form-data POST to http://localhost:23000 with a "signal SIGTERM" command in a TEXTAREA element. NOTE: The vendor disputes that this is a vulnerability. They state that this is the result of improper configuration of the OpenVPN instance rather than an intrinsic vulnerability, and now more explicitly warn against such configurations in both the management-interface documentation, and with a runtime warning. | |||||
| CVE-2017-7478 | 1 Openvpn | 1 Openvpn | 2017-08-15 | 5.0 MEDIUM | 7.5 HIGH |
| OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2. | |||||
| CVE-2008-3459 | 1 Openvpn | 1 Openvpn | 2017-08-07 | 7.6 HIGH | N/A |
| Unspecified vulnerability in OpenVPN 2.1-beta14 through 2.1-rc8, when running on non-Windows systems, allows remote servers to execute arbitrary commands via crafted (1) lladdr and (2) iproute configuration directives, probably related to shell metacharacters. | |||||
| CVE-2017-7522 | 1 Openvpn | 1 Openvpn | 2017-07-06 | 4.0 MEDIUM | 6.5 MEDIUM |
| OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character. | |||||
| CVE-2017-5868 | 1 Openvpn | 1 Openvpn Access Server | 2017-06-06 | 4.3 MEDIUM | 6.1 MEDIUM |
| 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 splitting attacks via "%0A" characters in the PATH_INFO to __session_start__/. | |||||
| CVE-2013-2692 | 1 Openvpn | 1 Openvpn Access Server | 2014-05-14 | 6.8 MEDIUM | N/A |
| 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 administrative users. | |||||
| CVE-2005-2531 | 1 Openvpn | 1 Openvpn | 2008-09-05 | 5.0 MEDIUM | N/A |
| OpenVPN before 2.0.1, when running with "verb 0" and without TLS authentication, does not properly flush the OpenSSL error queue when a client fails certificate authentication to the server and causes the error to be processed by the wrong client, which allows remote attackers to cause a denial of service (client disconnection) via a large number of failed authentication attempts. | |||||