CVE-2021-40438
Apache HTTP Server-Side Request Forgery (SSRF)
CVSS
9.0
Crítica
EPSS
100.0%
p100
KEV
SIM
1 de dez. de 2021
Exploit Today
80
0-100
Publicado: 16 de set. de 2021 · Última mod.: 6 de ago. de 2026 · CWE-918
Produto
Apache / Apache
Vulnerabilidade
Apache HTTP Server-Side Request Forgery (SSRF)
Adicionado ao KEV
1 de dez. de 2021
Corrigir até
15 de dez. de 2021
Uso conhecido em ransomware
Sim
Descrição resumida
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.
Ação necessária
Apply updates per vendor instructions.
Notas
https://nvd.nist.gov/vuln/detail/CVE-2021-40438
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.
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf
- httpd.apache.orghttps://httpd.apache.org/security/vulnerabilities_24.html
- lists.apache.orghttps://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3E
- lists.apache.orghttps://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3E
- lists.apache.orghttps://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E
- lists.apache.orghttps://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E
- lists.apache.orghttps://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E
- lists.apache.orghttps://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E
- lists.apache.orghttps://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3E
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2021/10/msg00001.html
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
- security.gentoo.orghttps://security.gentoo.org/glsa/202208-20
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20211008-0004/
- tools.cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ
- www.debian.orghttps://www.debian.org/security/2021/dsa-4982
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.html
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2022.html
- www.tenable.comhttps://www.tenable.com/security/tns-2021-17
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf