VULNERABILITY INTELLIGENCE
CVE-2020-13950
CVSS score7.5 HIGH
EPSS probability49.37%
CISA KEVNot currently listed
Published2021-06-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
Weakness classification
- CWE-476: NULL Pointer Dereference
Primary references
- security@apache.org — Vendor Advisory
- security@apache.org — Mailing List, Third Party Advisory
- security@apache.org
- security@apache.org
- security@apache.org — Mailing List, Release Notes
- security@apache.org
- security@apache.org
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory