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apache http server 2.4.0 vulnerabilities and exploits

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4.3
CVSSv2

CVE-2012-3502

The proxy functionality in (1) mod_proxy_ajp.c in the mod_proxy_ajp module and (2) mod_proxy_http.c in the mod_proxy_http module in the Apache HTTP Server 2.4.x prior to 2.4.3 does not properly determine the situations that require closing a back-end connection, which allows remo...
Apache Http Server 2.4.0Apache Http Server 2.4.1Apache Http Server 2.4.2
5
CVSSv2

CVE-2016-2161

In Apache HTTP Server versions 2.4.0 to 2.4.23, malicious input to mod_auth_digest can cause the server to crash, and each instance continues to crash even for subsequently valid requests.
Apache Http Server 2.4.0Apache Http Server 2.4.1Apache Http Server 2.4.2Apache Http Server 2.4.3Apache Http Server 2.4.6Apache Http Server 2.4.7Apache Http Server 2.4.8Apache Http Server 2.4.9Apache Http Server 2.4.10Apache Http Server 2.4.12Apache Http Server 2.4.14Apache Http Server 2.4.16
5
CVSSv2

CVE-2016-0736

In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured ciphers with possibly either CBC or ECB modes of operation (AES256-CBC by default), hence no selectable or builtin authenticated encryption. This made it vulnera...
Apache Http Server 2.4.0Apache Http Server 2.4.1Apache Http Server 2.4.2Apache Http Server 2.4.3Apache Http Server 2.4.6Apache Http Server 2.4.7Apache Http Server 2.4.8Apache Http Server 2.4.9Apache Http Server 2.4.10Apache Http Server 2.4.12Apache Http Server 2.4.14Apache Http Server 2.4.16
2.6
CVSSv2

CVE-2012-2687

Multiple cross-site scripting (XSS) vulnerabilities in the make_variant_list function in mod_negotiation.c in the mod_negotiation module in the Apache HTTP Server 2.4.x prior to 2.4.3, when the MultiViews option is enabled, allow remote malicious users to inject arbitrary web scr...
Apache Http Server 2.2.0Apache Http Server 2.2.1Apache Http Server 2.2.2Apache Http Server 2.2.3Apache Http Server 2.2.4Apache Http Server 2.2.6Apache Http Server 2.2.8Apache Http Server 2.2.9Apache Http Server 2.2.10Apache Http Server 2.2.11Apache Http Server 2.2.12Apache Http Server 2.2.13
4.3
CVSSv2

CVE-2012-3499

Multiple cross-site scripting (XSS) vulnerabilities in the Apache HTTP Server 2.2.x prior to 2.2.24-dev and 2.4.x prior to 2.4.4 allow remote malicious users to inject arbitrary web script or HTML via vectors involving hostnames and URIs in the (1) mod_imagemap, (2) mod_info, (3)...
Apache Http Server 2.2Apache Http Server 2.2.0Apache Http Server 2.2.1Apache Http Server 2.2.2Apache Http Server 2.2.3Apache Http Server 2.2.4Apache Http Server 2.2.6Apache Http Server 2.2.8Apache Http Server 2.2.9Apache Http Server 2.2.10Apache Http Server 2.2.11Apache Http Server 2.2.12
4.3
CVSSv2

CVE-2012-4558

Multiple cross-site scripting (XSS) vulnerabilities in the balancer_handler function in the manager interface in mod_proxy_balancer.c in the mod_proxy_balancer module in the Apache HTTP Server 2.2.x prior to 2.2.24-dev and 2.4.x prior to 2.4.4 allow remote malicious users to inje...
Apache Http Server 2.2Apache Http Server 2.2.0Apache Http Server 2.2.1Apache Http Server 2.2.2Apache Http Server 2.2.3Apache Http Server 2.2.4Apache Http Server 2.2.6Apache Http Server 2.2.8Apache Http Server 2.2.9Apache Http Server 2.2.10Apache Http Server 2.2.11Apache Http Server 2.2.12
9.8
CVSSv3

CVE-2023-25690

Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 up to and including 2.4.55 allow a HTTP Request Smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pattern matches...
Apache Http Server
6
CVSSv2

CVE-2019-0215

In Apache HTTP Server 2.4 releases 2.4.37 and 2.4.38, a bug in mod_ssl when using per-location client certificate verification with TLSv1.3 allowed a client to bypass configured access control restrictions.
Apache Http Server 2.4.37Apache Http Server 2.4.38Fedoraproject Fedora 29Fedoraproject Fedora 30
5.8
CVSSv2

CVE-2019-10098

In Apache HTTP server 2.4.0 to 2.4.39, Redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an unexpected URL within the request URL.
Apache Http Server
7.5
CVSSv3

CVE-2006-20001

A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and previous versions.
Apache Http Server
Preferred Score:
CVSSv2
CVSSv2
CVSSv3
CVSSv4
EPSS
VMScore
Recommendations:
CVE-2025-21317CVE-2025-23940buffer overflowCVE-2025-21335CVE-2025-23860CVE-2024-57704SSTIwirelessCVE-2019-3309
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