Threats Tagged 'cve-2025-23419'
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Threats Tagged 'cve-2025-23419'
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0 A vulnerability in nginx allows an attacker to bypass client certificate authentication when multiple server blocks share the same IP address and port using TLS session resumption. This occurs when TLS Session Tickets or SSL session cache are used in the default server performing client certificate authentication. The issue affects multiple nginx versions and has a moderate security impact. A patch is available from Red Hat and users are advised to update to fixed versions. Join the discussion | GCVE Database | 02/07/2025, 07:15:11 UTC Added: 06/25/2026, 21:46:59 UTC |
When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers. This vulnerability arises when TLS Session Tickets https://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_session_ticket_key are used and/or the SSL session cache https://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_session_cache are used in the default server and the default server is performing client certificate authentication. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. Join the discussion | CVE Database V5 | 02/05/2025, 17:31:07 UTC Added: 11/03/2025, 21:10:39 UTC |
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