Known Vulnerabilities for products from Stunnel

Listed below are 12 of the newest known vulnerabilities associated with the vendor "Stunnel".

These CVEs are retrieved based on exact matches on listed vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed vendor information are still displayed.

Data on known vulnerable products is also displayed based on information from known CPEs, each product links to its respective vulnerability page.

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2021-20230 A flaw was found in stunnel before 5.57, where it improperly validates client certificates when it is configured to use both ... 7.5 - HIGH 2021-02-23 2022-06-01
CVE-2015-3644 Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after ... 5.8 - MEDIUM 2015-05-14 2016-12-28
CVE-2014-0016 stunnel before 5.00, when using fork threading, does not properly update the state of the OpenSSL pseudo-random number genera... 4.3 - MEDIUM 2014-03-24 2017-01-26
CVE-2013-1762 stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform ... 6.6 - MEDIUM 2013-03-08 2014-01-17
CVE-2011-2940 stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corrup... 9.3 - HIGH 2011-08-25 2017-08-29
CVE-2008-2420 The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remot... 6.8 - MEDIUM 2008-05-23 2017-08-08
CVE-2008-2400 Unspecified vulnerability in stunnel before 4.23, when running as a service on Windows, allows local users to gain privileges... 7.2 - HIGH 2008-05-22 2017-08-08
CVE-2003-0740 Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hija... 4.6 - MEDIUM 2003-10-20 2016-10-18
CVE-2003-0147 OpenSSL does not use RSA blinding by default, which allows local and remote attackers to obtain the server's private key by d... 5 - MEDIUM 2003-03-31 2018-10-19
CVE-2002-1563 stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions th... 1.2 - LOW 2003-05-12 2016-10-18
CVE-2002-0002 Format string vulnerability in stunnel before 3.22 when used in client mode for (1) smtp, (2) pop, or (3) nntp allows remote ... 7.5 - HIGH 2002-01-31 2017-10-10
CVE-2001-0060 Format string vulnerability in stunnel 3.8 and earlier allows attackers to execute arbitrary commands via a malformed ident u... 10 - HIGH 2001-02-12 2018-05-03

Known software with vulnerabilities from Stunnel

Type Vendor Product Version
ApplicationStunnelStunnel0.1