CVE-2021-40438
- Source
- https://cve.org/CVERecord?id=CVE-2021-40438
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40438.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-40438
- Aliases
- Downstream
- Related
- Published
- 2021-09-16T15:15:07.633Z
- Modified
- 2026-03-13T14:48:49.475316Z
- Severity
-
- 9.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40438
- https://www.tenable.com/security/tns-2021-17
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
- https://security.gentoo.org/glsa/202208-20
- https://security.netapp.com/advisory/ntap-20211008-0004/
- https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html
- https://www.debian.org/security/2021/dsa-4982
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
- https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E
Affected packages
Git / github.com/apache/httpd
Affected ranges
- Type
- GIT
- Repo
- https://github.com/apache/httpd
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroducedLast affected
- Database specific
{ "versions": [ { "introduced": "0" }, { "last_affected": "1.0" }, { "introduced": "0" }, { "last_affected": "1.0" }, { "introduced": "0" }, { "last_affected": "2.4.48" }, { "introduced": "1.2.0" }, { "last_affected": "1.2.1" } ] }
Database specific
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.3"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "34"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "35"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "11.0"
}
]
},
{
"events": [
{
"introduced": "1.1.0"
},
{
"last_affected": "1.1.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "12.4.0.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "12.2.1.3.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "12.2.1.4.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "17.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "17.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "17.3"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.3"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "3.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "14.0-NA"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.19.1"
}
]
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40438.json"