CVE-2025-6037

A flaw was found in github.com/hashicorp/vault. The TLS certificate authentication method fails to properly validate client certificates when a non-CA certificate is designated as trusted. This vulnerability enables an attacker with a manipulated certificate to evade authentication and impersonat...

Vault Certificate Auth Method Did Not Validate Common Name For Non-CA Certificates

Summary Vault and Vault Enterprise “Vault” TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as trusted certificate . In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonat...

BIT-MONGODB-2023-1409 Certificate validation issue in MongoDB Server running on Windows or macOS

If the MongoDB Server running on Windows or macOS is configured to use TLS with a specific set of configuration options that are already known to work securely in other platforms e.g. Linux, it is possible that client certificate validation may not be in effect, potentially allowing client to...

Certificate validation issue in MongoDB Server running on Windows or macOS

If the MongoDB Server running on Windows or macOS is configured to use TLS with a specific set of configuration options that are already known to work securely in other platforms e.g. Linux, it is possible that client certificate validation may not be in effect, potentially allowing client to...

Design/Logic Flaw

If the MongoDB Server running on Windows or macOS is configured to use TLS with a specific set of configuration options that are already known to work securely in other platforms e.g. Linux, it is possible that client certificate validation may not be in effect, potentially allowing client to...

CVE-2023-1409 Certificate validation issue in MongoDB Server running on Windows or macOS

If the MongoDB Server running on Windows or macOS is configured to use TLS with a specific set of configuration options that are already known to work securely in other platforms e.g. Linux, it is possible that client certificate validation may not be in effect, potentially allowing client to...

Input validation

A vulnerability was discovered in Veritas NetBackup Snapshot Manager before 10.2.0.1 that allowed untrusted clients to interact with the RabbitMQ service. This was caused by improper validation of the client certificate due to misconfiguration of the RabbitMQ service. Exploiting this impacts the...

keycloak: Untrusted Certificate Validation

A flaw was found in Keycloak. This flaw depends on a non-default configuration "Revalidate Client Certificate" to be enabled and the reverse proxy is not validating the certificate before Keycloak. Using this method an attacker may choose the certificate which will be validated by the server. If...

PT-2023-3425 · Unified Automation · Uagateway

Name of the Vulnerable Software and Affected Versions: Unified Automation UaGateway affected versions not specified Description: This issue allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. The specific flaw exists within th...

Ubuntu: Security Advisory (USN-6059-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

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.

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Ubuntu Update for ubuntu-sso-client USN-1464-1

Ubuntu Update for Linux kernel vulnerabilities USN-1464-1 OpenVAS Vulnerability Test $Id: gbubuntuUSN14641.nasl 7960 2017-12-01 06:58:16Z santu $ Ubuntu Update for ubuntu-sso-client USN-1464-1 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH,...

Cisco CSS Content Services Switch and ACE Application Control Engine HTTP SSL Header Spoofing Vulnerability

Cisco CSS Content Services Switch CSS, SSL Services Module SSLM, and ACE Application Control Engine ACE contain a vulnerability that could allow an authenticated, remote attacker to insert spoofed SSL headers into HTTP requests. The vulnerability exists because the affected products weakly enforc...

SOL6623 - OpenSSL signature vulnerability - CVE-2006-4339

This security advisory describes an OpenSSL signature vulnerability. Forged RSA signatures may be accepted during client certificate validations when the certificates are signed by certain Certificate Authority CA. This flaw could potentially cause F5 products to accept maliciously crafted client...

USN-177-1: Apache 2 vulnerabilities

Apache did not honour the "SSLVerifyClient require" directive within a block if the surrounding block contained a directive "SSLVerifyClient optional". This allowed clients to bypass client certificate validation on servers with the above configuration. CAN-2005-2700 Filip Sneppe discovered a...

openvpn -- denial of service: client certificate validation can disconnect unrelated clients

James Yonan reports: DoS attack against server when run with "verb 0" and without "tls-auth". If a client connection to the server fails certificate verification, the OpenSSL error queue is not properly flushed, which can result in another unrelated client instance on the server seeing the error...