ST
Product
Stunnel
by Stunnel · last CVE Feb 23, 2021
12
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 1Medium 0Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-20230
7.5
1%
Feb 23
A flaw was found in stunnel before 5.57, where it improperly validates client certificates when it is configured to use both redirect and verifyChain options
Affected: before 5.57
CVE-2015-3644
–
2%
May 14
Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers…
Affected: 5.00; 5.01; 5.02; 5.03; 5.04; 5.05; +8 more
CVE-2014-0016
–
2%
Mar 24
stunnel before 5.00, when using fork threading, does not properly update the state of the OpenSSL pseudo-random number generator (PRNG), which causes subsequent children with the…
Affected: through 4.56; 0.1; 1.0; 1.1; 1.2; 1.3; +34 more
CVE-2013-1762
–
3%
Mar 8
stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers…
Affected: through 4.54; 4.21; 4.22; 4.23; 4.24; 4.25; +28 more
CVE-2011-2940
–
6%
Aug 25
stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors
Affected: 4.40; 4.41
CVE-2008-2420
–
1%
May 23
The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by…
Affected: 3.4a; 3.5; 3.6; 3.7; 3.8; 3.8p1; +34 more
CVE-2008-2400
–
0%
May 22
Unspecified vulnerability in stunnel before 4.23, when running as a service on Windows, allows local users to gain privileges via unknown attack vectors
Affected: 0.1; 1.0; 1.1; 1.2; 1.3; 1.4; +34 more
CVE-2003-0740
–
1%
Oct 20
Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hijack the Stunnel server
Affected: 3.3; 3.4a; 3.7; 3.8; 3.9; 3.10; +17 more
CVE-2002-1563
–
0%
May 12
stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions that cause an inconsistency in the child counter
Affected: 4.04
CVE-2003-0147
–
7%
Mar 31
OpenSSL does not use RSA blinding by default, which allows local and remote attackers to obtain the server's private key by determining factors using timing differences on (1) the…
Affected: 3.7; 3.8; 3.9; 3.10; 3.11; 3.12; +15 more
CVE-2002-0002
–
5%
Jan 31
Format string vulnerability in stunnel before 3.22 when used in client mode for (1) smtp, (2) pop, or (3) nntp allows remote malicious servers to execute arbitrary code
Affected: 3.3; 3.4a; 3.7; 3.8; 3.9; 3.10; +16 more
CVE-2001-0060
–
3%
Feb 12
Format string vulnerability in stunnel 3.8 and earlier allows attackers to execute arbitrary commands via a malformed ident username
Affected: 3.3; 3.4a; 3.7; 3.8
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