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CVE-2021-42138

7.2 · HIGH

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 Dec 20, 2021CWE-331EPSS 0.60%

Overview

CVE-2021-42138 is a high-severity vulnerability. It was published on December 20, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcpl.thalesgroup.com/support/security-updatesRefsupportportal.gemalto.com/csm?sys_kb_id=a52bd13adbff7010f0e322080596194a&id=kb_article_view&sysparm_rank=1&sysparm_tsqueryId=b3bdd932db33b010f0e3220805961955Refsupportportal.gemalto.com/csm?sys_kb_id=e8397662dbb7fc10520c4705059619eb&id=kb_article_view&sysparm_rank=2&sysparm_tsqueryId=b3bdd932db33b010f0e3220805961955Refcpl.thalesgroup.com/support/security-updatesRefsupportportal.gemalto.com/csm?sys_kb_id=a52bd13adbff7010f0e322080596194a&id=kb_article_view&sysparm_rank=1&sysparm_tsqueryId=b3bdd932db33b010f0e3220805961955Refsupportportal.gemalto.com/csm?sys_kb_id=e8397662dbb7fc10520c4705059619eb&id=kb_article_view&sysparm_rank=2&sysparm_tsqueryId=b3bdd932db33b010f0e3220805961955

How CyberStrike helps

Frequently asked questions

What is CVE-2021-42138?

CVE-2021-42138 is a high-severity vulnerability. It was published on December 20, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2021-42138?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-42138?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-42138?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-42138 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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