CVE-2021-44790

CVSS 3.1: 9.8 critical
EPSS: 97%p100
Published: Dec 20, 2021 · Dec 20, 2021
Modified: Jun 17, 2026

Analyze CVE-2021-44790 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Description · NVD

A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.

Vendors: apache fedoraproject debian tenable netapp oracle apple

Products: http server, fedora, debian linux, tenable.sc, cloud backup, communications element manager, communications operations monitor, communications session report manager, communications session route manager, instantis enterprisetrack, zfs storage appliance kit, mac os x

Weakness: CWE-787

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (96.8%)

In the news

2 stories

CISA, FBI and NSA Publish Joint Advisory and Scanner for Log4j Vulnerabilities

The Hacker NewsDec 29, 03:34 UTC · Dec 29, 2021VulnerabilityCVE-2021-45046 CVE-2021-45105 CVE-2021-44228+22 · 1 read

Apache fixed a couple of severe vulnerabilities in Apache HTTP Server

Security AffairsDec 27, 18:26 UTC · Dec 27, 2021VulnerabilityCVE-2021-44790 CVE-2021-44224 CVE-2021-404386 · 3 reads