scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial of service (daemon crash during shutdown) or possibly have unspecified other impact by modifying a certain type field within a scoreboard shared memory segment, leading to an inval...
Technology
Apache HTTP Server vulnerabilities
The Apache httpd web server. 553 published CVES affecting Apache HTTP Server, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 553
- Critical
- 46
- High
- 179
- Medium
- 242
- Low
- 28
- Unscored
- 58
- CISA KEV
- 11
Latest Apache HTTP Server CVEs
Newest publication first · page 14 of 23
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MediumCVSS 4.6 EPSS 2.8%
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MediumCVSS 5.0 EPSS 70.5% Framework module
The Apache HTTP Server 1.x and 2.x allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris, related to the lack of the mod_reqtimeout module in versions before 2.2.15.
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HighCVSS 7.5 EPSS 3.0%
IBM Tivoli Netcool/Reporter 2.2 before 2.2.0.8 allows remote attackers to execute arbitrary code via vectors related to an unspecified CGI program used with the Apache HTTP Server.
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MediumCVSS 4.3 EPSS 59.6%
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a r...
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MediumCVSS 4.3 EPSS 49.7%
The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allo...
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MediumCVSS 4.4 EPSS 4.9%
Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunct...
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LowCVSS 1.2 EPSS 3.0%
The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory...
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MediumCVSS 5.0 EPSS 90.7% Public exploit
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to...
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MediumCVSS 4.3 EPSS 22.4%
The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.
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HighCVSS 7.8 EPSS 98.9% Framework module PoC
The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August...
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DSA-2298-1 apache2 - denial of service
PublishedUnknown -
HighCVSS 7.5 EPSS 5.7%
SQL injection vulnerability in mysql/mysql-auth.pl in the mod_authnz_external module 3.2.5 and earlier for the Apache HTTP Server allows remote attackers to execute arbitrary SQL commands via the user field.
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MediumCVSS 4.3 EPSS 6.0%
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is disabled, does not properly enforce permissions for files that had been publicly readable in the past, which allows...
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MediumCVSS 4.3 EPSS 6.7%
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is enabled, allows remote attackers to cause a denial of service (infinite loop and memory consumption) in opportunisti...
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MediumCVSS 5.0 EPSS 8.5%
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.17, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a request for a baselined WebDAV resource, as exploited in the wild in May 20...
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MediumCVSS 4.3 EPSS 10.3%
The fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library 1.4.3 and 1.4.4, and the Apache HTTP Server 2.2.18, allows remote attackers to cause a denial of service (infinite loop) via a URI that does not match unspecified types of wildcard patterns,...
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MediumCVSS 4.3 EPSS 30.4%
Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18, and in fnmatch.c in libc in NetBSD 5.1, OpenBSD 4.8, FreeBSD, Apple Mac OS X 10.6, Oracle Solaris 10,...
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MediumCVSS 6.4 EPSS 24.8%
Multiple SQL injection vulnerabilities in xmldirectorylist.jsp in the embedded Apache HTTP Server component in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5)su4, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1)su1 allow r...
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MediumCVSS 4.3 EPSS 2.7%
The configuration merger in itk.c in the Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-01 and 2.2.11-02 for the Apache HTTP Server does not properly handle certain configuration sections that specify NiceValue but not AssignUserID, which might allow remote attackers...
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Unknown
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MediumCVSS 4.3 EPSS 6.3%
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.16, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a request that contains a lock token.
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MediumCVSS 6.8 EPSS 5.1%
The walk function in repos.c in the mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.15, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger the walking of...
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MediumCVSS 6.0 EPSS 4.2%
authz.c in the mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x before 1.5.8 and 1.6.x before 1.6.13, when SVNPathAuthz short_circuit is enabled, does not properly handle a named repository as a rule scope, which allows remote authenticated...
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MediumCVSS 5.0 EPSS 20.3%
Memory leak in the apr_brigade_split_line function in buckets/apr_brigade.c in the Apache Portable Runtime Utility library (aka APR-util) before 1.3.10, as used in the mod_reqtimeout module in the Apache HTTP Server and other software, allows remote attackers to cause a denial of...
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MediumCVSS 5.0 EPSS 8.3%
mod_proxy in httpd in Apache HTTP Server 2.2.9, when running on Unix, does not close the backend connection if a timeout occurs when reading a response from a persistent connection, which allows remote attackers to obtain a potentially sensitive response intended for a different...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.