CVE-2021-30641 — Improper Input Validation in Apache Http Server

CWE-20 — Improper Input Validation9 documents8 sources
Severity
5.3MEDIUMNVD
EPSS
36.4%
top 2.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apache Http ServerApache Software Foundation Apache Http ServerDebian Linux+4 more
Timeline
PublishedJun 10
Latest updateMay 24

Description

Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages5 packages

▶NVDapache/http_server2.4.39 — 2.4.46
▶NVDoracle/instantis_enterprisetrack17.1, 17.2, 17.3+2

Also affects: Debian Linux 10.0, 9.0, Fedora 34, 35

🔴Vulnerability Details

3
GHSA
GHSA-jfgv-4796-2jw7: Apache HTTP Server versions 2↗2022-05-24
▶
OSV
CVE-2021-30641: Apache HTTP Server versions 2↗2021-06-10
▶
CVEList
Unexpected URL matching with 'MergeSlashes OFF'↗2021-06-10
▶

📋Vendor Advisories

5
Ubuntu
Apache HTTP Server vulnerabilities↗2021-06-21
▶
Ubuntu
Apache HTTP Server vulnerabilities↗2021-06-21
▶
Microsoft
Unexpected URL matching with 'MergeSlashes OFF'↗2021-06-08
▶
Red Hat
httpd: Unexpected URL matching with 'MergeSlashes OFF'↗2021-06-04
▶
Debian
CVE-2021-30641: apache2 - Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with '...↗2021
▶
CVE-2021-30641 — Improper Input Validation in Apache | cvebase