What is RHSA-2021:3856?

RHSA-2021:3856 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: httpd security update

Which CVE IDs does RHSA-2021:3856 cover?

RHSA-2021:3856 covers the following CVE IDs: CVE-2021-40438. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

RHSA-2021:3856 has a CVSS v3 base score of 9.0, published by Red Hat Product Security.

RHSA-2021:3856HighCVSS 9.0

Vendor

Published

October 14, 2021

Last Modified

June 25, 2026

CVE-2021-40438 — httpd: mod_proxy: SSRF via a crafted request uri-path containing "unix:"