CVE-2021-31798

Name: CVE-2021-31798
Creator: NVD / NIST
Published: 2021-09-02T01:15:06.447+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2021-31798 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. The effective key space used to encrypt the cache in CyberArk Credential Provider prior to 12.1 has low entropy, and under certain conditions a local malicious user can obtain the plaintext of cache files.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

The effective key space used to encrypt the cache in CyberArk Credential Provider prior to 12.1 has low entropy, and under certain conditions a local malicious user can obtain the plaintext of cache files.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.42%

33.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-331

Affected Software

Vendor	Product	Versions
Cyberark	Credential Provider	< 12.1

References

http://packetstormsecurity.com/files/164035/CyberArk-Credential-Provider-Local-Cache-Decryption.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/Sep/3Mailing List, Third Party Advisory
https://korelogic.com/Resources/Advisories/KL-001-2021-010.txtThird Party Advisory
https://www.cyberark.com/resources/blogProduct
http://packetstormsecurity.com/files/164035/CyberArk-Credential-Provider-Local-Cache-Decryption.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/Sep/3Mailing List, Third Party Advisory
https://korelogic.com/Resources/Advisories/KL-001-2021-010.txtThird Party Advisory
https://www.cyberark.com/resources/blogProduct

Timeline

Published: Sep 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31798?

How severe is CVE-2021-31798?

CVE-2021-31798 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31798?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31798?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST