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CVE-2021-40438 - Apache Apache

AI Vulnerability Context

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.

Overview

A source-backed snapshot of this vulnerability.

CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.

Vulnerability status

How serious this vulnerability is and whether it is known to be exploited.

CISA KEVCRITICAL
CVE ID
CVE-2021-40438
Vendor/project
Apache
Product
Apache
Vulnerability name
Apache HTTP Server-Side Request Forgery (SSRF)
Date added
2021-12-01
Due date
2021-12-15
Known ransomware campaign use
Unknown
CVSS v3
9.0
CWE-918

Exploit context

What the vulnerability is about.

No description available. The source record only contains identifiers and metadata.

Related AI techniques

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No related AI attack methods. No AI attack method is connected to this vulnerability in the current data.

Related case studies

Examples where this vulnerability is mentioned.

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No related case studies. No case study currently mentions this vulnerability.

Source evidence

Original public records and references for this page.

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Original source

Original source links

Open the public records and source datasets used for this page.

NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2021-40438CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-dataaf854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdfaf854a3a-2127-422b-91ae-364da2661108https://httpd.apache.org/security/vulnerabilities_24.htmlaf854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3Eaf854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3Eaf854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3Eaf854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3Eaf854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3Eaf854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3Eaf854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3Eaf854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/10/msg00001.htmlaf854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/