CVEvulnerability
CVE-2020-13950
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-06-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
Description
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 configurations
• apache http server (>= 2.4.41 <= 2.4.46)
• debian debian linux 9.0
• debian debian linux 10.0
• fedoraproject fedora 34
• fedoraproject fedora 35
• oracle enterprise manager ops center 12.4.0.0
• oracle instantis enterprisetrack 17.1
• oracle instantis enterprisetrack 17.2
• oracle instantis enterprisetrack 17.3
• oracle zfs storage appliance kit 8.8
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/06/10/4 Mailing List, Third Party Advisory
- https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223%40%3Cannounce.httpd.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E Mailing List, Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202107-38 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210702-0001/ Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.html Third Party Advisory
- http://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/06/10/4 Mailing List, Third Party Advisory
- https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223%40%3Cannounce.httpd.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E Mailing List, Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202107-38 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210702-0001/ Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.html Third Party Advisory