Product
HTTP Server
Description
The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows.
Product name
http_server
Related organizations
CVE-2024-47252 (GCVE-0-2024-47252)
Vulnerability from – Published: 2025-07-10 16:55 – Updated: 2025-11-04 21:08
VLAI
EPSS
VEX
Title
Apache HTTP Server: mod_ssl error log variable escaping
Summary
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 "%{varname}c" to log variables provided by mod_ssl such as SSL_TLS_SNI, no escaping is performed by either mod_log_config or mod_ssl and unsanitized data provided by the client may appear in log files.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4 , ≤ 2.4.63
(semver)
|
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CVE-2024-43394 (GCVE-0-2024-43394)
Vulnerability from – Published: 2025-07-10 16:56 – Updated: 2025-11-04 21:08
VLAI
EPSS
VEX
Title
Apache HTTP Server: SSRF on Windows due to UNC paths
Summary
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.
Note: The Apache HTTP Server Project will be setting a higher bar for accepting vulnerability reports regarding SSRF via UNC paths.
The server offers limited protection against administrators directing the server to open UNC paths.
Windows servers should limit the hosts they will connect over via SMB based on the nature of NTLM authentication.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.0 , ≤ 2.4.63
(semver)
|
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CVE-2024-43204 (GCVE-0-2024-43204)
Vulnerability from – Published: 2025-07-10 16:54 – Updated: 2025-11-04 21:08
VLAI
EPSS
VEX
Title
Apache HTTP Server: SSRF with mod_headers setting Content-Type header
Summary
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 provided in the HTTP request.
Users are recommended to upgrade to version 2.4.64 which fixes this issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
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CVE-2024-42516 (GCVE-0-2024-42516)
Vulnerability from – Published: 2025-07-10 16:53 – Updated: 2025-11-04 21:08
VLAI
EPSS
VEX
Title
Apache HTTP Server: HTTP response splitting
Summary
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 included in Apache HTTP Server 2.4.59 did not address the issue.
Users are recommended to upgrade to version 2.4.64, which fixes this issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
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| Apache Software Foundation | Apache HTTP Server |
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CVE-2023-38709 (GCVE-0-2023-38709)
Vulnerability from – Published: 2024-04-04 19:19 – Updated: 2025-11-04 21:08
VLAI
EPSS
VEX
Title
Apache HTTP Server: HTTP response splitting
Summary
Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses.
This issue affects Apache HTTP Server: through 2.4.58.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- HTTP response splitting
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
11 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
0 , ≤ 2.4.58
(semver)
|
|
| apache | http_server |
Affected:
0 , ≤ 2.4.58
(custom)
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* |
Credits
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CVE-2017-9798 (GCVE-0-2017-9798)
Vulnerability from – Published: 2017-09-18 15:00 – Updated: 2025-11-04 16:09
VLAI
EPSS
VEX
Summary
Apache httpd allows remote attackers to read secret data from process memory if the Limit directive can be set in a user's .htaccess file, or if httpd.conf has certain misconfigurations, aka Optionsbleed. This affects the Apache HTTP Server through 2.2.34 and 2.4.x through 2.4.27. The attacker sends an unauthenticated OPTIONS HTTP request when attempting to read secret data. This is a use-after-free issue and thus secret data is not always sent, and the specific data depends on many factors including configuration. Exploitation with .htaccess can be blocked with a patch to the ap_limit_section function in server/core.c.
Severity
No CVSS data available.
CWE
- use-after-free
Assigner
References
56 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
Apache HTTP Server through 2.2.34 and 2.4.x through 2.4.27
|
Date Public
2017-09-18 00:00
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CVE-2017-3167 (GCVE-0-2017-3167)
Vulnerability from – Published: 2017-06-20 01:00 – Updated: 2025-11-04 16:09
VLAI
EPSS
VEX
Summary
In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, use of the ap_get_basic_auth_pw() by third-party modules outside of the authentication phase may lead to authentication requirements being bypassed.
Severity
No CVSS data available.
CWE
- CWE-287 - Authentication Bypass (CWE-287)
Assigner
References
39 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.2.0 to 2.2.32
Affected: 2.4.0 to 2.4.25 |
Date Public
2017-06-19 00:00
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CVE-2024-39573 (GCVE-0-2024-39573)
Vulnerability from – Published: 2024-07-01 18:16 – Updated: 2025-11-03 21:56
VLAI
EPSS
VEX
Title
Apache HTTP Server: mod_rewrite proxy handler substitution
Summary
Potential SSRF in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to cause unsafe RewriteRules to unexpectedly setup URL's to be handled by mod_proxy.
Users are recommended to upgrade to version 2.4.60, which fixes this issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.0 , ≤ 2.4.59
(semver)
|
|
| apache | http_server |
Affected:
2.4.0 , ≤ 2.4.59
(custom)
cpe:2.3:a:apache:http_server:-:*:*:*:*:*:*:* |
Credits
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CVE-2024-38477 (GCVE-0-2024-38477)
Vulnerability from – Published: 2024-07-01 18:16 – Updated: 2025-11-03 21:55
VLAI
EPSS
VEX
Title
Apache HTTP Server: Crash resulting in Denial of Service in mod_proxy via a malicious request
Summary
null pointer dereference in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows an attacker to crash the server via a malicious request.
Users are recommended to upgrade to version 2.4.60, which fixes this issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.0 , ≤ 2.4.59
(semver)
|
Credits
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CVE-2024-38476 (GCVE-0-2024-38476)
Vulnerability from – Published: 2024-07-01 18:15 – Updated: 2025-11-03 21:55
VLAI
EPSS
VEX
Title
Apache HTTP Server may use exploitable/malicious backend application output to run local handlers via internal redirect
Summary
Vulnerability in core of Apache HTTP Server 2.4.59 and earlier are vulnerably to information disclosure, SSRF or local script execution via backend applications whose response headers are malicious or exploitable.
Users are recommended to upgrade to version 2.4.60, which fixes this issue.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.0 , ≤ 2.4.59
(semver)
|
|
| apache | http_server |
Affected:
0 , ≤ 2.4.59
(custom)
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* |
Credits
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displaying 41 - 50 organizations in total 330