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 (90)
page 2 of 5| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-15243 | Hig | 0.48 | — | 0.00 | Jul 24, 2026 | Apereo CAS Client accepts any CA-trusted certificate for any hostname, provided the URL the client is calling matches the configured allowlist or regex. An attacker with a MITM position (DNS poisoning, rogue Wi-Fi, malicious proxy, etc.) can provide any CA-signed certificate… | ||
| CVE-2026-44393 | Hig | 0.48 | 7.4 | 0.00 | Jun 4, 2026 | An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When ssl_ca_file is configured, the driver enables certificate chain validation but does… | ||
| CVE-2026-35563 | Hig | 0.48 | 8.5 | 0.00 | Jun 1, 2026 | It was identified that the LDAP client implementation in version 2.1.7 does not verify if the server certificate matches the intended LDAP hostname. While the underlying code validates the certificate chain against a trusted authority, the absence of endpoint identification … | ||
| CVE-2026-26214 | Hig | 0.48 | 7.4 | 0.00 | Feb 12, 2026 | Galaxy FDS Android SDK (XiaoMi/galaxy-fds-sdk-android) version 3.0.8 and prior disable TLS hostname verification when HTTPS is enabled (the default configuration). In GalaxyFDSClientImpl.createHttpClient(), the SDK configures Apache HttpClient with… | ||
| 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-2026-92943 | Hig | 0.46 | 8.1 | 0.00 | Sep 17, 2026 | Improper validation of certificate with host mismatch in the MQTT client TLS connection layer in AWS IoT Device SDK for Python 1.5.3 through 1.6.0 on Python 3.7 and later might allow an adversary-in-the-middle actor to impersonate the AWS IoT Core endpoint, read device… | ||
| 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-2018-10936 | Hig | 0.46 | 8.1 | 0.03 | Aug 30, 2018 | A weakness was found in postgresql-jdbc before version 42.2.5. It was possible to provide an SSL Factory and not check the host name if a host name verifier was not provided to the driver. This could lead to a condition where a man-in-the-middle attacker could masquerade as a… | ||
| CVE-2026-79636 | Hig | 0.45 | 7.0 | 0.00 | Sep 9, 2026 | Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Validation of Certificate with Host Mismatch vulnerability. An unauthenticated attacker with remote access could potentially exploit this… | ||
| CVE-2026-59272 | Med | 0.44 | 6.8 | 0.00 | Aug 27, 2026 | Any application shipping logs to RabbitMQ over TLS via the Log4j2 appender, relying on the documented default, is exposed to man-in-the-middle interception of every log event. Spring AMQP 4.1.0 Spring AMQP 4.0.0 - 4.0.4 Spring AMQP 3.2.0 - 3.2.12 Spring AMQP 2.4.18 and earlier | ||
| 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-2026-59969 | Hig | 0.42 | 7.5 | 0.00 | Sep 16, 2026 | Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. When sslQuorum=true, zookeeper.fips-mode=true, ssl.quorum.hostnameVerification=true, and ssl.quorum.clientHostnameVerification=true are enabled, the Java SSLSocket quorum path… | ||
| 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. |
- risk 0.48cvss —epss 0.00
Apereo CAS Client accepts any CA-trusted certificate for any hostname, provided the URL the client is calling matches the configured allowlist or regex. An attacker with a MITM position (DNS poisoning, rogue Wi-Fi, malicious proxy, etc.) can provide any CA-signed certificate…
- risk 0.48cvss 7.4epss 0.00
An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When ssl_ca_file is configured, the driver enables certificate chain validation but does…
- risk 0.48cvss 8.5epss 0.00
It was identified that the LDAP client implementation in version 2.1.7 does not verify if the server certificate matches the intended LDAP hostname. While the underlying code validates the certificate chain against a trusted authority, the absence of endpoint identification …
- risk 0.48cvss 7.4epss 0.00
Galaxy FDS Android SDK (XiaoMi/galaxy-fds-sdk-android) version 3.0.8 and prior disable TLS hostname verification when HTTPS is enabled (the default configuration). In GalaxyFDSClientImpl.createHttpClient(), the SDK configures Apache HttpClient with…
- 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 validation of certificate with host mismatch in the MQTT client TLS connection layer in AWS IoT Device SDK for Python 1.5.3 through 1.6.0 on Python 3.7 and later might allow an adversary-in-the-middle actor to impersonate the AWS IoT Core endpoint, read device…
- 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 0.46cvss 8.1epss 0.03
A weakness was found in postgresql-jdbc before version 42.2.5. It was possible to provide an SSL Factory and not check the host name if a host name verifier was not provided to the driver. This could lead to a condition where a man-in-the-middle attacker could masquerade as a…
- risk 0.45cvss 7.0epss 0.00
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Validation of Certificate with Host Mismatch vulnerability. An unauthenticated attacker with remote access could potentially exploit this…
- risk 0.44cvss 6.8epss 0.00
Any application shipping logs to RabbitMQ over TLS via the Log4j2 appender, relying on the documented default, is exposed to man-in-the-middle interception of every log event. Spring AMQP 4.1.0 Spring AMQP 4.0.0 - 4.0.4 Spring AMQP 3.2.0 - 3.2.12 Spring AMQP 2.4.18 and earlier
- 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
Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. When sslQuorum=true, zookeeper.fips-mode=true, ssl.quorum.hostnameVerification=true, and ssl.quorum.clientHostnameVerification=true are enabled, the Java SSLSocket quorum path…
- 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.