https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 12 Oct 2026 17:35:20 +0000 https://cve.radiocsirt.org/vuln/alsa-2021:0618 <p><strong>Affected:</strong> AlmaLinux:8: stunnel</p> <p>Stunnel is a wrapper for network connections. It can be used to tunnel an unencrypted network connection over an encrypted connection (encrypted using SSL or TLS) or to provide an encrypted means of connecting to services that do not natively support encryption.</p> <p>Security Fix(es):</p> <p>* stunnel: client certificate not correctly verified when redirect and verifyChain options are used (CVE-2021-20230)</p> <p>For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.</p> <p><strong>Affected:</strong> AlmaLinux:8: stunnel</p> <p>Stunnel is a wrapper for network connections. It can be used to tunnel an unencrypted network connection over an encrypted connection (encrypted using SSL or TLS) or to provide an encrypted means of connecting to services that do not natively support encryption.</p> <p>Security Fix(es):</p> <p>* stunnel: client certificate not correctly verified when redirect and verifyChain options are used (CVE-2021-20230)</p> <p>For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.</p> https://cve.radiocsirt.org/vuln/alsa-2021:0618 https://cve.radiocsirt.org/vuln/bdu:2025-09865 bdu:2025-09865 https://cve.radiocsirt.org/vuln/bdu:2025-09865 https://cve.radiocsirt.org/vuln/euvd-2026-21533 EUVD-2026-21533 https://cve.radiocsirt.org/vuln/euvd-2026-21533 https://cve.radiocsirt.org/vuln/fkie_cve-2021-20230 <p>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. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.</p> <p>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. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2021-20230 https://cve.radiocsirt.org/vuln/ghsa-wwrq-59mq-v8w2 <p>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. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.</p> <p>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. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.</p> https://cve.radiocsirt.org/vuln/ghsa-wwrq-59mq-v8w2 https://cve.radiocsirt.org/vuln/gsd-2021-20230 gsd-2021-20230 https://cve.radiocsirt.org/vuln/gsd-2021-20230 https://cve.radiocsirt.org/vuln/msrc_cve-2021-20230 msrc_CVE-2021-20230 https://cve.radiocsirt.org/vuln/msrc_cve-2021-20230 https://cve.radiocsirt.org/vuln/opensuse-su-2021:0409-1 <p>Security update for stunnel</p> <p>Security update for stunnel</p> https://cve.radiocsirt.org/vuln/opensuse-su-2021:0409-1 https://cve.radiocsirt.org/vuln/rhsa-2021:0619 <p>stunnel: client certificate not correctly verified when redirect and verifyChain options are used</p> <p>stunnel: client certificate not correctly verified when redirect and verifyChain options are used</p> https://cve.radiocsirt.org/vuln/rhsa-2021:0619 https://cve.radiocsirt.org/vuln/suse-su-2021:0772-1 <p>Security update for stunnel</p> <p>Security update for stunnel</p> https://cve.radiocsirt.org/vuln/suse-su-2021:0772-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2021-20230 <p><strong>Affected:</strong> Ubuntu:Pro:18.04:LTS: stunnel4, Ubuntu:20.04:LTS: stunnel4</p> <p>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. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.</p> <p><strong>Affected:</strong> Ubuntu:Pro:18.04:LTS: stunnel4, Ubuntu:20.04:LTS: stunnel4</p> <p>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. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2021-20230 https://cve.radiocsirt.org/vuln/wid-sec-w-2024-1674 <p>Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Sicherheitsvorkehrungen zu umgehen.</p> <p>Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Sicherheitsvorkehrungen zu umgehen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2024-1674