Apache HTTP Server: mod_ssl access control bypass with session resumption

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Access Control Bypass

Apache HTTP Server modssl is vulnerable to Access control bypass. The vulnerability is due to improper handling of TLS 1.3 session resumption across multiple virtual hosts with different trusted client certificate configurations, which allows an attacker with a trusted certificate for one virtual...

USN-7639-1 apache2 vulnerabilities

It was discovered that the Apache HTTP Server incorrectly handled certain Content-Type response headers. A remote attacker could possibly use this issue to perform HTTP response splitting attacks. CVE-2024-42516 xiaojunjie discovered that the Apache HTTP Server modproxy module incorrectly handled...

BIT-APACHE-2025-23048 Apache HTTP Server: mod_ssl access control bypass with session resumption

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

CLSA-2025-1752516250 nginx: Fix of CVE-2025-23419

CVE-2025-23419: fix issue allowing session resumption to bypass client certificate authentication when multiple server blocks share same IP/port...

CVE-2025-23048

An access control bypass vulnerability was found in Apache httpd. The Apache HTTP Server with some modssl configurations can bypass the access controls by trusted clients using TLS 1.3 session resumption. A client trusted to access one virtual host may be able to access another if...

SUSE CVE-2025-23048

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

CVE-2025-23048

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

AZL-65223 CVE-2025-23048 affecting package httpd for versions less than 2.4.64-1

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

ALPINE-CVE-2025-23048

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

UBUNTU-CVE-2025-23048

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

CVE-2025-23048 Apache HTTP Server: mod_ssl access control bypass with session resumption

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

CVE-2025-23048 Apache HTTP Server: mod_ssl access control bypass with session resumption

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

CVE-2025-23048

Affected software: Apache HTTP Server (httpd). CVE-2025-23048 describes an access-control bypass in mod_ssl when TLS 1.3 session resumption is used in configurations with multiple virtual hosts, each with different trusted client certificates; a client trusted for one vhost could access another i...

Oracle Linux 9 : nginx (ELSA-2025-7331)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-7331 advisory. - Resolves: RHEL-78236 - nginx: TLS Session Resumption Vulnerability CVE-2025-23419 Tenable has extracted the preceding description block directly from the Orac...

nginx: TLS Session Resumption Vulnerability

A flaw was found in nginx. When name-based virtual hosts are configured to share the same IP address and port combination with TLS 1.3 and OpenSSL, a previously authenticated attacker can use session resumption to bypass client certificate authentication requirements on these servers. This...

Ubuntu: Security Advisory (USN-7285-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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...

USN-7285-2 nginx vulnerability

USN-7285-1 fixed vulnerabilities in nginx. This update provides the corresponding updates for Ubuntu 24.04 LTS. Original advisory details: It was discovered that nginx incorrectly handled when multiple server blocks are configured to share the same IP address and port. An attacker could use this...

USN-7285-2: nginx vulnerability

USN-7285-1 fixed vulnerabilities in nginx. This update provides the corresponding updates for Ubuntu 24.04 LTS. Original advisory details: It was discovered that nginx incorrectly handled when multiple server blocks are configured to share the same IP address and port. An attacker could use this...

Amazon Linux 2 : nginx (ALASNGINX1-2025-008)

The version of nginx installed on the remote host is prior to 1.26.3-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2NGINX1-2025-008 advisory. When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to...