Vulnerability Details : CVE-2021-42138

A user of a machine protected by SafeNet Agent for Windows Logon may leverage weak entropy to access the encrypted credentials of any or all the users on that machine.

Published 2021-12-20 21:15:09

Updated 2022-01-03 19:49:01

Source Thales Group

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-42138

Probability of exploitation activity in the next 30 days: 0.11%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 44 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-42138

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
3.5	LOW	AV:N/AC:M/Au:S/C:P/I:N/A:N	6.8	2.9	[email protected]
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	2.8	3.6	[email protected]
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
7.2	HIGH	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N	0.8	5.8	[email protected]
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: High Integrity: High Availability: None

CWE ids for CVE-2021-42138

CWE-331 Insufficient Entropy

The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

Assigned by: [email protected] (Primary)

References for CVE-2021-42138

Products affected by CVE-2021-42138

Thalesgroup » Safenet Windows Logon Agent
Versions before (<) 3.4.4
cpe:2.3:a:thalesgroup:safenet_windows_logon_agent:*:*:*:*:*:*:*:*
Matching versions