CWE-295— Improper Certificate Validation

A flaw was found in Open Cluster Management (OCM), the technology underlying Red Hat Advanced Cluster Management (ACM). Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client c…

IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow an unauthorized user to obtain valid tokens to gain access to protected resources due to improper certificate validation.

Collabora Online is a collaborative online office suite based on LibreOffice. In affected versions of Collabora Online, https connections from coolwsd to other hosts may incompletely verify the remote host's certificate's against the full …

A privilege escalation vulnerability exists in the Foxit Reader 2024.2.0.25138. The vulnerability occurs due to improper certification validation of the updater executable before executing it. A low privilege user can trigger the update ac…

IBM Security Verify Access 10.0.0.0 through 10.0.6.1 could allow a privileged user to install a configuration file that could allow remote access. IBM X-Force ID: 266155.

A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS 7.0.1 and below, 6.4.6 and below and an improper certificate validation vulnerability [CWE-297] in FortiClientWindows, FortiClientLinux and Fo…

Jenkins Spira Importer Plugin 3.2.3 and earlier disables SSL/TLS certificate validation for the Jenkins master JVM.

Jenkins Cadence vManager Plugin 2.7.0 and earlier disabled SSL/TLS and hostname verification globally for the Jenkins master JVM.

Errands before 46.2.10 does not verify TLS certificates for CalDAV servers.

Dell Container Storage Modules (CSM) versions prior to 1.18.0, contains an Improper Certificate Validation vulnerability in the proxy-server component. An unauthenticated adjacent network attacker could potentially exploit this vulnerabili…

SWUpdate through 2026.05.1 contains an improper certificate validation vulnerability in crypto/swupdate_cms_verify_openssl.c that trusts untrusted X.509 certificates embedded in CMS SignedData for chain building. Attackers holding a signin…

IBM Guardium Data Protection 12.2.2 could allow a remote attacker to conduct a man-in-the-middle attack due to improper certificate validation.

urllib3 is an HTTP client library for Python. From 1.26.0 until 2.8.0, the proxy_ssl_context, proxy_assert_hostname, proxy_assert_fingerprint, ssl_context, cert_reqs, verify_mode, use_forwarding_for_https=True, and CERT_NONE configuration …

A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows man-in-the-middle attackers to bypass certificate validation and package integrity checks, potentially enabling arbitrary code execution with system privileges.

IBM Guardium Data Protection 12.2 could allow a remote attacker to bypass security restrictions due to improper certificate validation.

Socket Firewall (socketdev/socket-registry-firewall) in registry mode before 2.0.0 does not verify upstream TLS certificates by default. When the api_ssl_verify and upstream_ssl_verify configuration keys are omitted from socket.yml, the ge…

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 NIM could allow a remote attacker to gain unauthorized access to AIX systems due to improper validation of TLS certificates.

Cleartext transmission of sensitive information in the Core of Ivanti Endpoint Manager before version 2024 SU7 allows a remote unauthenticated attacker in a MITM position to leak credentials for external SQL connections.

In epa4all, prior to version 2026-05-20, an attacker on the network path between epa4all and any backend (ePA Aktensystem, Konnektor, IDP, TSS) can present a self-signed TLS certificate and intercept the connection. For non-VAU connections…

DIRAC is an interware, meaning a software framework for distributed computing. Prior to versions 8.0.79, 9.0.22, and 9.1.10, WorkloadManagementSystem/Utilities/PilotWrapper.py pilotWrapperScript uses ssl._create_unverified_context to downl…

etcd is a distributed key-value store for the data of a distributed system. Prior to 3.5.32 and 3.6.13, when etcd is configured with --listen-client-http-urls to split HTTP and gRPC client endpoints onto separate listeners, the --client-cr…

A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not.

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 sub…

epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.1, in SignedPublicKeysTrustValidatorImpl.isTrusted(), the ECDSA signature verification at line 45 discards the boolean return value of Si…

epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.2, an attacker on the network path between the ePA service and the Konnektor can present any TLS certificate (self-signed, expired, wrong …

An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.

Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certific…

wolfSSL_X509_verify_cert in the OpenSSL compatibility layer accepts a certificate chain in which the leaf's signature is not checked, if the attacker supplies an untrusted intermediate with Basic Constraints `CA:FALSE` that is legitimately…

Wazuh provisioning scripts and Dockerfiles contain an insecure transport vulnerability where curl is invoked with the -k/--insecure flag, disabling SSL/TLS certificate validation. Attackers with network access can perform man-in-the-middle…

Improper certificate validation in the PAM propagation WinRM connections allows a network attacker to perform a man-in-the-middle attack via disabled TLS certificate verification.

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and set_follow_location(true), any HTTPS redirect it follows will have TLS certificate …

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 7.0.4, OpenEMR's HTTP client wrapper (`oeHttp`/`oeHttpRequest`) disables SSL/TLS certificate verification by default …

Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations. In versions 0.49.0 through 0.50.0, when using a custom Cluster or Clients CA with a multistage CA chain consisting of m…

A vulnerability in the certificate validation logic may allow applications to accept untrusted or improperly validated server identities during TLS communication. An attacker in a privileged network position may be able to intercept or mod…

Improper certificate validation in Azure Local allows an unauthorized attacker to execute code over a network.

A flaw was found in foreman_kubevirt. When configuring the connection to OpenShift, the system disables SSL verification if a Certificate Authority (CA) certificate is not explicitly set. This insecure default allows a remote attacker, cap…

A flaw was found in fog-kubevirt. This vulnerability allows a remote attacker to perform a Man-in-the-Middle (MITM) attack due to disabled certificate validation. This enables the attacker to intercept and potentially alter sensitive commu…

A vulnerability has been identified in COMOS V10.6 (All versions < V10.6.1), COMOS V10.6 (All versions < V10.6.1), JT Bi-Directional Translator for STEP (All versions), NX V2412 (All versions < V2412.8900 with Cloud Entitlement (bundled as…

Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 22.0.1049 and Application versions prior to 20.0.2786 (VA and SaaS deployments) contain insecure defaults and code patterns that disable TLS/SSL certificate ver…

1Panel is a web interface and MCP Server that manages websites, files, containers, databases, and LLMs on a Linux server. In versions 2.0.5 and below, the HTTPS protocol used for communication between the Core and Agent endpoints has incom…

A vulnerability has been identified in SICAM TOOLBOX II (All versions < V07.11). During establishment of a https connection to the TLS server of a managed device, the affected application doesn't check device's certificate common name agai…

A vulnerability has been identified in SICAM TOOLBOX II (All versions < V07.11). During establishment of a https connection to the TLS server of a managed device, the affected application doesn't check the extended key usage attribute of t…

BYD QIN PLUS DM-i Dilink OS v3.0_13.1.7.2204050.1 to v3.0_13.1.7.2312290.1_0 was discovered to cend broadcasts to the manufacturer's cloud server unencrypted, allowing attackers to execute a man-in-the-middle attack.

HCL BigFix Web Reports' service communicates over HTTPS but exhibits a weakness in its handling of SSL certificate validation. This scenario presents a possibility of man-in-the-middle (MITM) attacks and data exposure as, if exploited, thi…

Improper host validation in the certificate validation component in Devolutions Remote Desktop Manager on 2024.3.19 and earlier on Windows allows an attacker to intercept and modify encrypted communications via a man-in-the-middle attack …

2N Access Commander version 2.1 and prior is vulnerable in default settings to Man In The Middle attack due to not verifying certificates of 2N edge devices. 2N has currently released an updated version 3.3 of 2N Access Commander, wi…

An improper certificate validation vulnerability was reported in LADM that could allow a network attacker with the ability to redirect an update request to a remote server and execute code with elevated privileges.

qBittorrent before 5.0.1 proceeds with use of https URLs even after certificate validation errors.

A flaw was found in the openstack-tripleo-common component of the Red Hat OpenStack Platform (RHOSP) director. This vulnerability allows an attacker to deploy potentially compromised container images via disabling TLS certificate verificat…

Windows Cryptographic Services Remote Code Execution Vulnerability