Vulnerability Details CVE-2020-13950
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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.17
EPSS Ranking 94.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://httpd.apache.org/security/vulnerabilities_24.html
- http://www.openwall.com/lists/oss-security/2021/06/10/4
- https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223%40%3Cannounce.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
- https://security.gentoo.org/glsa/202107-38
- https://security.netapp.com/advisory/ntap-20210702-0001/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- http://httpd.apache.org/security/vulnerabilities_24.html
- http://www.openwall.com/lists/oss-security/2021/06/10/4
- https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223%40%3Cannounce.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
- https://security.gentoo.org/glsa/202107-38
- https://security.netapp.com/advisory/ntap-20210702-0001/
- https://www.oracle.com/security-alerts/cpuoct2021.html
Products affected by CVE-2020-13950
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cpe:2.3:a:apache:http_server:2.4.41
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cpe:2.3:a:apache:http_server:2.4.42
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cpe:2.3:a:apache:http_server:2.4.43
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cpe:2.3:a:apache:http_server:2.4.44
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cpe:2.3:a:apache:http_server:2.4.45
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cpe:2.3:a:apache:http_server:2.4.46
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cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0
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cpe:2.3:a:oracle:instantis_enterprisetrack:17.1
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cpe:2.3:a:oracle:instantis_enterprisetrack:17.2
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cpe:2.3:a:oracle:instantis_enterprisetrack:17.3
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cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:fedoraproject:fedora:34
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cpe:2.3:o:fedoraproject:fedora:35