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CVE-2025-23419— TLS Session Resumption Vulnerability

CVSS 4.3 · Medium EPSS 2.86% · P86
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I. Basic Information for CVE-2025-23419

Vulnerability Information
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Vulnerability Title
TLS Session Resumption Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
F5 Nginx 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 Nginx是美国F5公司的一款轻量级Web服务器/反向代理服务器及电子邮件（IMAP/POP3）代理服务器，在BSD-like协议下发行。 F5 Nginx存在安全漏洞，该漏洞源于TLS会话票证或SSL会话缓存的使用，这可能使攻击者利用会话恢复来绕过这些服务器上的客户端证书认证要求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
F5NGINX Open Source 1.11.4 ~ * -
F5NGINX Plus R17 ~ * -

II. Public POCs for CVE-2025-23419

#POC DescriptionSource LinkShenlong Link
1Script em python scanner safe-check da CVE-2025-23419https://github.com/harley-ghostie/safe-check-CVE-2025-23419POC Details
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III. Intelligence Information for CVE-2025-23419

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Same Patch Batch · F5 · 2025-02-05 · 17 CVEs total

CVE-2025-200298.8 HIGHBIG-IP iControl REST and tmsh vulnerability
CVE-2025-232398.7 HIGHBIG-IP iControl REST vulnerability
CVE-2025-243208.0 HIGHBIG-IP Configuration utility vulnerability
CVE-2025-244977.5 HIGHBIG-IP PEM vulnerability
CVE-2025-243127.5 HIGHBIG-IP AFM vulnerability
CVE-2025-228467.5 HIGHBIG-IP SIP Vulnerability
CVE-2025-234127.5 HIGHBIG-IP APM access profile vulnerability
CVE-2025-243267.5 HIGHBIG-IP Advanced WAF/ASM BADoS vulnerability
CVE-2025-228917.5 HIGHBIG-IP PEM Vulnerability
CVE-2025-200457.5 HIGHBIG-IP SIP MRF Vulnerability
CVE-2025-200587.5 HIGHBIG-IP message routing vulnerability
CVE-2025-210917.5 HIGHBIG-IP SNMP vulnerability
CVE-2025-210877.5 HIGHTMM Vulnerability
CVE-2025-243196.5 MEDIUMBIG-IP Next Central Manager vulnerability
CVE-2025-234134.4 MEDIUMBIG-IP Next Central Manager vulnerability
CVE-2025-234153.1 LOWBIG-IP APM Endpoint Inspection vulnerability

IV. Related Vulnerabilities

Same product: NGINX Open Source
Same vendor: F5
Same weakness: CWE-863

V. Comments for CVE-2025-23419

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