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Product · Apache Software Foundation

Apache HTTP Server

139 known vulnerabilities.

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  • Critical 9.1
    CVE-2024-38475 Exploited Public exploit EPSS 100%

    Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path.

    Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code…

    KEV May 1, 2025
  • Critical 9.8
    CVE-2021-42013 Exploited · Ransomware Public exploit EPSS 100%

    Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773)

    It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories a…

    KEV Nov 3, 2021
  • High 7.5
    CVE-2021-41773 Exploited · Ransomware Public exploit EPSS 100%

    Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49

    A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not…

    KEV Nov 3, 2021
  • Critical 9.0
    CVE-2021-40438 Exploited · Ransomware Public exploit EPSS 100%

    mod_proxy SSRF

    A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

    KEV Dec 1, 2021