CVE-2021-44790
Scores
EPSS
Percentile: 86.0%
CVSS
CVSS Score: 9.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Partial
Measures the impact to the confidentiality of information
Integrity Impact
Partial
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
Description
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.
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (36)
Type: Configuration
Product: apache2
Operating System: ubuntu bionic 18.04
{ "fixed": "2.4.29-1ubuntu4.21"}
Source: ubuntu
Type: Configuration
Product: apache2
Operating System: ubuntu focal 20.04
{ "fixed": "2.4.41-4ubuntu3.9"}
Source: ubuntu
Type: Configuration
Product: apache2
Operating System: ubuntu hirsute 21.04
{ "fixed": "2.4.46-4ubuntu1.5"}
Source: ubuntu
Type: Configuration
Product: apache2
Operating System: ubuntu impish 21.10
{ "fixed": "2.4.48-3.1ubuntu3.2"}
Source: ubuntu
Type: Configuration
Product: apache2
Operating System: ubuntu jammy 22.04
{ "fixed": "2.4.52-1ubuntu1"}
Source: ubuntu
Type: Configuration
Product: apache2
Operating System: debian
{ "fixed": "2.4.52-1"}
Source: debian
Type: Configuration
Product: apache2
Operating System: astra 1.7.2.5
{ "unaffected": true}
Source: astra
Type: Configuration
Product: apache2
Operating System: astra 4.7.2.5
{ "unaffected": true}
Source: astra
Type: Configuration
Product: httpd
Operating System: rhel 7
{ "fixed": "2.4.6-97.el7_9.4"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel 7.3
{ "fixed": "2.4.6-45.el7_3.8"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel 7.4
{ "fixed": "2.4.6-67.el7_4.9"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel 7.6
{ "fixed": "2.4.6-89.el7_6.4"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel 7.6
{ "fixed": "2.4.6-89.el7_6.4"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel 7.6
{ "fixed": "2.4.6-89.el7_6.4"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel 7.7
{ "fixed": "2.4.6-90.el7_7.3"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel 7.7
{ "fixed": "2.4.6-90.el7_7.3"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel
{ "fixed": "2.4-8050020220111011611.c5368500"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel
{ "fixed": "2.4-8010020220111012130.c27ad7f8"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel
{ "fixed": "2.4-8020020220111012020.4cda2c84"}
Source: redhat
Type: Configuration
Product: httpd
Operating System: rhel
{ "fixed": "2.4-8040020220111011738.522a0ee4"}
Source: redhat