CVE-2021-31798 Information

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.

CVSS Vector

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

Reference

https://www.cyberark.com/resources/blog http://seclists.org/fulldisclosure/2021/Sep/3 https://korelogic.com/Resources/Advisories/KL-001-2021-010.txt http://packetstormsecurity.com/files/164035/CyberArk-Credential-Provider-Local-Cache-Decryption.html

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.4