HTTP Server
by Apache
Source repositories
CVEs (341)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2001-0729 | 0.01 | — | 0.07 | Oct 30, 2001 | Apache 1.3.20 on Windows servers allows remote attackers to bypass the default index page and list directory contents via a URL with a large number of / (slash) characters. | |||
| CVE-2001-1342 | 0.01 | — | 0.12 | May 12, 2001 | Apache before 1.3.20 on Windows and OS/2 systems allows remote attackers to cause a denial of service (GPF) via an HTTP request for a URI that contains a large number of / (slash) or other characters, which causes certain functions to dereference a null pointer. | |||
| CVE-2000-1204 | 0.01 | — | 0.11 | Oct 13, 2000 | Vulnerability in the mod_vhost_alias virtual hosting module for Apache 1.3.9, 1.3.11 and 1.3.12 allows remote attackers to obtain the source code for CGI programs if the cgi-bin directory is under the document root. | |||
| CVE-1999-1237 | 0.01 | — | 0.08 | Jun 6, 1999 | Multiple buffer overflows in smbvalid/smbval SMB authentication library, as used in Apache::AuthenSmb and possibly other modules, allows remote attackers to execute arbitrary commands via (1) a long username, (2) a long password, and (3) other unspecified methods. | |||
| CVE-2025-58098 | 0.00 | — | 0.01 | Dec 5, 2025 | Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. This issue affects Apache HTTP Server before 2.4.66. Users are recommended to upgrade to version… | |||
| CVE-2025-66200 | 0.00 | — | 0.01 | Dec 5, 2025 | mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: from 2.4.7 through… | |||
| CVE-2025-65082 | 0.00 | — | 0.01 | Dec 5, 2025 | Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server… | |||
| CVE-2025-59775 | 0.00 | — | 0.01 | Dec 5, 2025 | Server-Side Request Forgery (SSRF) vulnerability in Apache HTTP Server on Windows with AllowEncodedSlashes On and MergeSlashes Off allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade… | |||
| CVE-2025-55753 | 0.00 | — | 0.00 | Dec 5, 2025 | An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects… | |||
| CVE-2025-54090 | 0.00 | — | 0.01 | Jul 23, 2025 | A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond expr ..." tests evaluating as "true". Users are recommended to upgrade to version 2.4.65, which fixes the issue. | |||
| CVE-2025-53020 | 0.00 | — | 0.04 | Jul 10, 2025 | Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue. | |||
| CVE-2025-49812 | 0.00 | — | 0.01 | Jul 10, 2025 | In some mod_ssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upgrades are affected.… | |||
| CVE-2025-49630 | 0.00 | — | 0.01 | Jul 10, 2025 | In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2. Configurations affected are a reverse proxy is configured for an HTTP/2… | |||
| CVE-2025-23048 | 0.00 | — | 0.01 | Jul 10, 2025 | In some mod_ssl 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 mod_ssl is configured for multiple virtual hosts, with each restricted to a… | |||
| CVE-2024-43394 | 0.00 | — | 0.01 | Jul 10, 2025 | Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via mod_rewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. … | |||
| CVE-2024-47252 | 0.00 | — | 0.01 | Jul 10, 2025 | Insufficient escaping of user-supplied data in mod_ssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%{varname}x" or… | |||
| CVE-2024-43204 | 0.00 | — | 0.01 | Jul 10, 2025 | SSRF in Apache HTTP Server with mod_proxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker. Requires an unlikely configuration where mod_headers is configured to modify the Content-Type request or response header with a value… | |||
| CVE-2024-42516 | 0.00 | — | 0.01 | Jul 10, 2025 | HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response. This vulnerability was described as CVE-2023-38709 but the patch… | |||
| CVE-2024-40898 | 0.00 | — | 0.02 | Jul 18, 2024 | SSRF in Apache HTTP Server on Windows with mod_rewrite in server/vhost context, allows to potentially leak NTML hashes to a malicious server via SSRF and malicious requests. Users are recommended to upgrade to version 2.4.62 which fixes this issue. | |||
| CVE-2024-39884 | 0.00 | — | 0.01 | Jul 4, 2024 | A regression in the core of Apache HTTP Server 2.4.60 ignores some use of the legacy content-type based configuration of handlers. "AddType" and similar configuration, under some circumstances where files are requested indirectly, result in source code disclosure of local… |
- CVE-2001-0729Oct 30, 2001risk 0.01cvss —epss 0.07
Apache 1.3.20 on Windows servers allows remote attackers to bypass the default index page and list directory contents via a URL with a large number of / (slash) characters.
- CVE-2001-1342May 12, 2001risk 0.01cvss —epss 0.12
Apache before 1.3.20 on Windows and OS/2 systems allows remote attackers to cause a denial of service (GPF) via an HTTP request for a URI that contains a large number of / (slash) or other characters, which causes certain functions to dereference a null pointer.
- CVE-2000-1204Oct 13, 2000risk 0.01cvss —epss 0.11
Vulnerability in the mod_vhost_alias virtual hosting module for Apache 1.3.9, 1.3.11 and 1.3.12 allows remote attackers to obtain the source code for CGI programs if the cgi-bin directory is under the document root.
- CVE-1999-1237Jun 6, 1999risk 0.01cvss —epss 0.08
Multiple buffer overflows in smbvalid/smbval SMB authentication library, as used in Apache::AuthenSmb and possibly other modules, allows remote attackers to execute arbitrary commands via (1) a long username, (2) a long password, and (3) other unspecified methods.
- CVE-2025-58098Dec 5, 2025risk 0.00cvss —epss 0.01
Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. This issue affects Apache HTTP Server before 2.4.66. Users are recommended to upgrade to version…
- CVE-2025-66200Dec 5, 2025risk 0.00cvss —epss 0.01
mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: from 2.4.7 through…
- CVE-2025-65082Dec 5, 2025risk 0.00cvss —epss 0.01
Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server…
- CVE-2025-59775Dec 5, 2025risk 0.00cvss —epss 0.01
Server-Side Request Forgery (SSRF) vulnerability in Apache HTTP Server on Windows with AllowEncodedSlashes On and MergeSlashes Off allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade…
- CVE-2025-55753Dec 5, 2025risk 0.00cvss —epss 0.00
An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects…
- CVE-2025-54090Jul 23, 2025risk 0.00cvss —epss 0.01
A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond expr ..." tests evaluating as "true". Users are recommended to upgrade to version 2.4.65, which fixes the issue.
- CVE-2025-53020Jul 10, 2025risk 0.00cvss —epss 0.04
Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue.
- CVE-2025-49812Jul 10, 2025risk 0.00cvss —epss 0.01
In some mod_ssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upgrades are affected.…
- CVE-2025-49630Jul 10, 2025risk 0.00cvss —epss 0.01
In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2. Configurations affected are a reverse proxy is configured for an HTTP/2…
- CVE-2025-23048Jul 10, 2025risk 0.00cvss —epss 0.01
In some mod_ssl 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 mod_ssl is configured for multiple virtual hosts, with each restricted to a…
- CVE-2024-43394Jul 10, 2025risk 0.00cvss —epss 0.01
Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via mod_rewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. …
- CVE-2024-47252Jul 10, 2025risk 0.00cvss —epss 0.01
Insufficient escaping of user-supplied data in mod_ssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%{varname}x" or…
- CVE-2024-43204Jul 10, 2025risk 0.00cvss —epss 0.01
SSRF in Apache HTTP Server with mod_proxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker. Requires an unlikely configuration where mod_headers is configured to modify the Content-Type request or response header with a value…
- CVE-2024-42516Jul 10, 2025risk 0.00cvss —epss 0.01
HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response. This vulnerability was described as CVE-2023-38709 but the patch…
- CVE-2024-40898Jul 18, 2024risk 0.00cvss —epss 0.02
SSRF in Apache HTTP Server on Windows with mod_rewrite in server/vhost context, allows to potentially leak NTML hashes to a malicious server via SSRF and malicious requests. Users are recommended to upgrade to version 2.4.62 which fixes this issue.
- CVE-2024-39884Jul 4, 2024risk 0.00cvss —epss 0.01
A regression in the core of Apache HTTP Server 2.4.60 ignores some use of the legacy content-type based configuration of handlers. "AddType" and similar configuration, under some circumstances where files are requested indirectly, result in source code disclosure of local…
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