CWE-297
Improper Validation of Certificate with Host Mismatch
Description
The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.
Hierarchy (View 1000)
CVEs mapped to this weakness (76)
page 2 of 4| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2024-37015 | Hig | 0.48 | 7.4 | 0.00 | Aug 13, 2024 | An issue was discovered in Ada Web Server 20.0. When configured to use SSL (which is not the default setting), the SSL/TLS used to establish connections to external services is done without proper hostname validation. This is exploitable by man-in-the-middle attackers. | ||
| CVE-2021-44549 | Hig | 0.48 | 7.4 | 0.02 | Dec 14, 2021 | Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of "man in the middle" attacks additional server identity checks must be performed when accessing mail servers. For compatibility… | ||
| CVE-2020-14387 | Hig | 0.48 | 7.4 | 0.01 | May 27, 2021 | A flaw was found in rsync in versions since 3.2.0pre1. Rsync improperly validates certificate with host mismatch vulnerability. A remote, unauthenticated attacker could exploit the flaw by performing a man-in-the-middle attack using a valid certificate for another hostname which… | ||
| CVE-2024-12925 | Hig | 0.47 | 7.3 | 0.00 | Sep 1, 2025 | Improper Validation of Certificate with Host Mismatch vulnerability in Akınsoft QR Menü allows HTTP Response Splitting. This issue affects QR Menü: from s1.05.05 before v1.05.12. | ||
| CVE-2024-7346 | Hig | 0.47 | 7.2 | 0.00 | Sep 3, 2024 | Host name validation for TLS certificates is bypassed when the installed OpenEdge default certificates are used to perform the TLS handshake for a networked connection. This has been corrected so that default certificates are no longer capable of overriding host name… | ||
| CVE-2026-42790 | Hig | 0.46 | 8.1 | 0.00 | May 27, 2026 | Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_cert and public_key modules) allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints… | ||
| CVE-2025-3501 | Hig | 0.46 | 8.2 | 0.00 | Apr 29, 2025 | A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended. | ||
| CVE-2026-44467 | Med | 0.44 | 6.8 | 0.00 | May 13, 2026 | The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname existed in ~/.ssh/known_hosts without… | ||
| CVE-2024-49782 | Med | 0.44 | 6.8 | 0.00 | Feb 20, 2025 | IBM OpenPages with Watson 8.3 and 9.0 could allow a remote attacker to spoof mail server identity when using SSL/TLS security. An attacker could exploit this vulnerability to gain access to sensitive information disclosed through email notifications generated by OpenPages… | ||
| CVE-2024-2462 | — | Med | 0.44 | — | 0.00 | Jun 11, 2024 | Allow attackers to intercept or falsify data exchanges between the client and the server | |
| CVE-2026-48145 | Hig | 0.42 | 7.5 | 0.00 | Jul 27, 2026 | Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue. | ||
| CVE-2026-54275 | Hig | 0.42 | 7.5 | 0.00 | Jun 22, 2026 | AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the server_hostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request… | ||
| CVE-2016-1280 | Med | 0.42 | 6.5 | 0.01 | Sep 9, 2016 | PKId in Juniper Junos OS before 12.1X44-D52, 12.1X46 before 12.1X46-D37, 12.1X47 before 12.1X47-D30, 12.3 before 12.3R12, 12.3X48 before 12.3X48-D20, 13.3 before 13.3R10, 14.1 before 14.1R8, 14.1X53 before 14.1X53-D40, 14.2 before 14.2R7, 15.1 before 15.1R4, 15.1X49 before… | ||
| CVE-2026-15925 | Cri | 0.41 | — | 0.00 | Jul 16, 2026 | Improper TLS hostname verification in Snowflake Connector for Python versions prior to 4.7.1 and 3.18.1 may have allowed a network-positioned attacker to bypass certificate hostname validation on HTTPS connections made by the connector. An attacker with on-path network access… | ||
| CVE-2026-43869 | Hig | 0.41 | 7.3 | 0.01 | May 5, 2026 | Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue. | ||
| CVE-2026-24281 | Hig | 0.41 | 7.4 | 0.01 | Mar 7, 2026 | Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS (PTR) when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to… | ||
| CVE-2022-48308 | Med | 0.41 | 6.3 | 0.00 | Feb 16, 2023 | It was discovered that the sls-logging was not verifying hostnames in TLS certificates due to a misuse of the javax.net.ssl.SSLSocketFactory API. A malicious attacker in a privileged network position could abuse this to perform a man-in-the-middle attack. A successful… | ||
| CVE-2022-48307 | Med | 0.41 | 6.3 | 0.00 | Feb 16, 2023 | It was discovered that the Magritte-ftp was not verifying hostnames in TLS certificates due to a misuse of the javax.net.ssl.SSLSocketFactory API. A malicious attacker in a privileged network position could abuse this to perform a man-in-the-middle attack. A successful… | ||
| CVE-2022-27890 | Med | 0.41 | 6.3 | 0.00 | Feb 16, 2023 | It was discovered that the sls-logging was not verifying hostnames in TLS certificates due to a misuse of the javax.net.ssl.SSLSocketFactory API. A malicious attacker in a privileged network position could abuse this to perform a man-in-the-middle attack. A successful… | ||
| CVE-2024-38324 | Med | 0.38 | 5.9 | 0.00 | Sep 25, 2024 | IBM Storage Defender 2.0.0 through 2.0.7 on-prem defender-sensor-cmd CLI does not validate server name during registration and unregistration operations which could expose sensitive information to an attacker with access to the system. |
- risk 0.48cvss 7.4epss 0.00
An issue was discovered in Ada Web Server 20.0. When configured to use SSL (which is not the default setting), the SSL/TLS used to establish connections to external services is done without proper hostname validation. This is exploitable by man-in-the-middle attackers.
- risk 0.48cvss 7.4epss 0.02
Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of "man in the middle" attacks additional server identity checks must be performed when accessing mail servers. For compatibility…
- risk 0.48cvss 7.4epss 0.01
A flaw was found in rsync in versions since 3.2.0pre1. Rsync improperly validates certificate with host mismatch vulnerability. A remote, unauthenticated attacker could exploit the flaw by performing a man-in-the-middle attack using a valid certificate for another hostname which…
- risk 0.47cvss 7.3epss 0.00
Improper Validation of Certificate with Host Mismatch vulnerability in Akınsoft QR Menü allows HTTP Response Splitting. This issue affects QR Menü: from s1.05.05 before v1.05.12.
- risk 0.47cvss 7.2epss 0.00
Host name validation for TLS certificates is bypassed when the installed OpenEdge default certificates are used to perform the TLS handshake for a networked connection. This has been corrected so that default certificates are no longer capable of overriding host name…
- risk 0.46cvss 8.1epss 0.00
Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_cert and public_key modules) allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints…
- risk 0.46cvss 8.2epss 0.00
A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended.
- risk 0.44cvss 6.8epss 0.00
The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname existed in ~/.ssh/known_hosts without…
- risk 0.44cvss 6.8epss 0.00
IBM OpenPages with Watson 8.3 and 9.0 could allow a remote attacker to spoof mail server identity when using SSL/TLS security. An attacker could exploit this vulnerability to gain access to sensitive information disclosed through email notifications generated by OpenPages…
- risk 0.44cvss —epss 0.00
Allow attackers to intercept or falsify data exchanges between the client and the server
- risk 0.42cvss 7.5epss 0.00
Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift C++ bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.
- risk 0.42cvss 7.5epss 0.00
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the server_hostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request…
- risk 0.42cvss 6.5epss 0.01
PKId in Juniper Junos OS before 12.1X44-D52, 12.1X46 before 12.1X46-D37, 12.1X47 before 12.1X47-D30, 12.3 before 12.3R12, 12.3X48 before 12.3X48-D20, 13.3 before 13.3R10, 14.1 before 14.1R8, 14.1X53 before 14.1X53-D40, 14.2 before 14.2R7, 15.1 before 15.1R4, 15.1X49 before…
- risk 0.41cvss —epss 0.00
Improper TLS hostname verification in Snowflake Connector for Python versions prior to 4.7.1 and 3.18.1 may have allowed a network-positioned attacker to bypass certificate hostname validation on HTTPS connections made by the connector. An attacker with on-path network access…
- risk 0.41cvss 7.3epss 0.01
Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- risk 0.41cvss 7.4epss 0.01
Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS (PTR) when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to…
- risk 0.41cvss 6.3epss 0.00
It was discovered that the sls-logging was not verifying hostnames in TLS certificates due to a misuse of the javax.net.ssl.SSLSocketFactory API. A malicious attacker in a privileged network position could abuse this to perform a man-in-the-middle attack. A successful…
- risk 0.41cvss 6.3epss 0.00
It was discovered that the Magritte-ftp was not verifying hostnames in TLS certificates due to a misuse of the javax.net.ssl.SSLSocketFactory API. A malicious attacker in a privileged network position could abuse this to perform a man-in-the-middle attack. A successful…
- risk 0.41cvss 6.3epss 0.00
It was discovered that the sls-logging was not verifying hostnames in TLS certificates due to a misuse of the javax.net.ssl.SSLSocketFactory API. A malicious attacker in a privileged network position could abuse this to perform a man-in-the-middle attack. A successful…
- risk 0.38cvss 5.9epss 0.00
IBM Storage Defender 2.0.0 through 2.0.7 on-prem defender-sensor-cmd CLI does not validate server name during registration and unregistration operations which could expose sensitive information to an attacker with access to the system.