CVE-2021-40438
KEV
🔴 Łataj teraz
Wykorzystanie złośliwego URI w mod_proxy w Apache HTTP Server pozwala na przekierowanie żądań do wybranego serwera.
CVSS
9.0
EPSS
100.0%
Exploit
weaponized
Vendor
redhat
Opis źródłowy (NVD)
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.
brak
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 9.0 |
| CISA KEV (aktywnie wykorzystywane) | Tak |
| FIRST EPSS (prawdopodobieństwo exploita) | 100.0% |
| Opublikowano (NVD) | 2021-09-16 15:15:07 UTC |
| Ostatnia modyfikacja (NVD) | 2026-08-06 05:16:35 UTC |
Referencje
- https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf (security@apache.org) [Third Party Advisory]
- https://httpd.apache.org/security/vulnerabilities_24.html (security@apache.org) [Release Notes, Vendor Advisory]
- https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3E (security@apache.org) [Mailing List]
- https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3E (security@apache.org) [Mailing List]
- https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E (security@apache.org) [Mailing List]
- https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E (security@apache.org) [Mailing List]
- https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E (security@apache.org) [Mailing List]
- https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E (security@apache.org) [Mailing List]
- https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3E (security@apache.org) [Mailing List]
- https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html (security@apache.org) [Mailing List, Third Party Advisory]
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ (security@apache.org) [Release Notes]
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ (security@apache.org) [Release Notes]
- https://security.gentoo.org/glsa/202208-20 (security@apache.org) [Third Party Advisory]
- https://security.netapp.com/advisory/ntap-20211008-0004/ (security@apache.org) [Third Party Advisory]
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ (security@apache.org) [Broken Link, Third Party Advisory]
- https://www.debian.org/security/2021/dsa-4982 (security@apache.org) [Mailing List, Third Party Advisory]
- https://www.oracle.com/security-alerts/cpuapr2022.html (security@apache.org) [Patch, Third Party Advisory]
- https://www.oracle.com/security-alerts/cpujan2022.html (security@apache.org) [Patch, Third Party Advisory]
- https://www.tenable.com/security/tns-2021-17 (security@apache.org) [Third Party Advisory]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40438 (134c704f-9b21-4f2e-91b3-4a467353bcc0) [US Government Resource]