CVE-2021-40438

Scores

EPSS

0.944High94.4%
0%20%40%60%80%100%

Percentile: 94.4%

CVSS

9.0Critical3.x
0246810

CVSS Score: 9.0/10

All CVSS Scores

CVSS 3.x
9.0

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

CVSS 2.0
6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Description

A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

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Sources

astradebiannvdredhatubuntu

CWEs

CWE-918

Related Vulnerabilities

Exploits

Exploit ID: CVE-2021-40438

Source: cisa

URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Vulnerable Software (53)

Type: Configuration

Product: apache2

Operating System: ubuntu trusty 14.04

Trait:
{
  "unfixed": true
}

Source: ubuntu

Type: Configuration

Product: apache2

Operating System: ubuntu bionic 18.04

Trait:
{
  "fixed": "2.4.29-1ubuntu4.18"
}

Source: ubuntu

Type: Configuration

Product: apache2

Operating System: astra 8.1.4

Trait:
{
  "unaffected": true
}

Source: astra

Type: Configuration

Product: apache2

Operating System: ubuntu xenial 16.04

Trait:
{
  "unfixed": true
}

Source: ubuntu

Type: Configuration

Product: apache2

Operating System: debian

Trait:
{
  "fixed": "2.4.49-1"
}

Source: debian

Type: Configuration

Product: apache2

Operating System: ubuntu focal 20.04

Trait:
{
  "fixed": "2.4.41-4ubuntu3.6"
}

Source: ubuntu

Type: Configuration

Product: apache2

Operating System: ubuntu hirsute 21.04

Trait:
{
  "fixed": "2.4.46-4ubuntu1.3"
}

Source: ubuntu

Type: Configuration

Product: apache2

Operating System: ubuntu impish 21.10

Trait:
{
  "fixed": "2.4.48-3.1ubuntu2"
}

Source: ubuntu

Type: Configuration

Product: apache2

Operating System: ubuntu jammy 22.04

Trait:
{
  "fixed": "2.4.48-3.1ubuntu2"
}

Source: ubuntu

Type: Configuration

Product: httpd

Operating System: rhel 7

Trait:
{
  "fixed": "2.4.6-97.el7_9.1"
}

Source: redhat