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CVE Vulnerability Details :
CVE-2020-13950
PUBLISHED
More InfoOfficial Page
Assigner-apache
Assigner Org ID-f0158376-9dc2-43b6-827c-5f631a4d8d09
View Known Exploited Vulnerability (KEV) details
Published At-10 Jun, 2021 | 07:10
Updated At-04 Aug, 2024 | 12:32
Rejected At-
▼CVE Numbering Authority (CNA)
mod_proxy_http NULL pointer dereference

Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service

Affected Products
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache HTTP Server
Versions
Affected
  • 2.4.46
  • 2.4.43
  • 2.4.41
Problem Types
TypeCWE IDDescription
textN/Amod_proxy_http NULL pointer dereference
Type: text
CWE ID: N/A
Description: mod_proxy_http NULL pointer dereference
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
unknown
other:
low
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Reported by Marc Stern (<marc.stern approach.be>)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://httpd.apache.org/security/vulnerabilities_24.html
x_refsource_MISC
https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E
x_refsource_MISC
https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223%40%3Cannounce.httpd.apache.org%3E
mailing-list
x_refsource_MLIST
https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E
mailing-list
x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/06/10/4
mailing-list
x_refsource_MLIST
https://security.gentoo.org/glsa/202107-38
vendor-advisory
x_refsource_GENTOO
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
vendor-advisory
x_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
vendor-advisory
x_refsource_FEDORA
https://www.oracle.com/security-alerts/cpuoct2021.html
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210702-0001/
x_refsource_CONFIRM
Hyperlink: http://httpd.apache.org/security/vulnerabilities_24.html
Resource:
x_refsource_MISC
Hyperlink: https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E
Resource:
x_refsource_MISC
Hyperlink: https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223%40%3Cannounce.httpd.apache.org%3E
Resource:
mailing-list
x_refsource_MLIST
Hyperlink: https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E
Resource:
mailing-list
x_refsource_MLIST
Hyperlink: http://www.openwall.com/lists/oss-security/2021/06/10/4
Resource:
mailing-list
x_refsource_MLIST
Hyperlink: https://security.gentoo.org/glsa/202107-38
Resource:
vendor-advisory
x_refsource_GENTOO
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
Resource:
vendor-advisory
x_refsource_FEDORA
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
Resource:
vendor-advisory
x_refsource_FEDORA
Hyperlink: https://www.oracle.com/security-alerts/cpuoct2021.html
Resource:
x_refsource_MISC
Hyperlink: https://security.netapp.com/advisory/ntap-20210702-0001/
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://httpd.apache.org/security/vulnerabilities_24.html
x_refsource_MISC
x_transferred
https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E
x_refsource_MISC
x_transferred
https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223%40%3Cannounce.httpd.apache.org%3E
mailing-list
x_refsource_MLIST
x_transferred
https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E
mailing-list
x_refsource_MLIST
x_transferred
http://www.openwall.com/lists/oss-security/2021/06/10/4
mailing-list
x_refsource_MLIST
x_transferred
https://security.gentoo.org/glsa/202107-38
vendor-advisory
x_refsource_GENTOO
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
vendor-advisory
x_refsource_FEDORA
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
vendor-advisory
x_refsource_FEDORA
x_transferred
https://www.oracle.com/security-alerts/cpuoct2021.html
x_refsource_MISC
x_transferred
https://security.netapp.com/advisory/ntap-20210702-0001/
x_refsource_CONFIRM
x_transferred
Hyperlink: http://httpd.apache.org/security/vulnerabilities_24.html
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223%40%3Cannounce.httpd.apache.org%3E
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: http://www.openwall.com/lists/oss-security/2021/06/10/4
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://security.gentoo.org/glsa/202107-38
Resource:
vendor-advisory
x_refsource_GENTOO
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: https://www.oracle.com/security-alerts/cpuoct2021.html
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://security.netapp.com/advisory/ntap-20210702-0001/
Resource:
x_refsource_CONFIRM
x_transferred
Details not found