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CVE-2021-20232

CVE information

Published

3 years ago

Last Modified

5 months ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

Critical

Impact Analysis

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Description

A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences..

CVSSv2.0 Score

Severity
High
Base Score
7.5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Critical
Base Score
9.8/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
  Yes
3.6.3 3.7.1
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  Yes
- -

References