Medium severity · published Sep 2, 2021
CVE-2021-31798
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…
4.4
CVSS
0.4%
EPSS
No
On KEV
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
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CP
Credential Provider · Cyberark
before 12.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-31798
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-31798
Third Party Advisory
http://packetstormsecurity.com/files/164035/CyberArk-Credential-Provider-Local-Cache-Decryption.html
Mailing List
http://seclists.org/fulldisclosure/2021/Sep/3
Third Party Advisory
https://korelogic.com/Resources/Advisories/KL-001-2021-010.txt
Product
https://www.cyberark.com/resources/blog
More from Credential Provider
7.5
CVE-2021-31796
An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information Disclosure
5.1
CVE-2021-31797
The user identification mechanism used by CyberArk Credential Provider prior to 12.1 is susceptible to a local host race condition, leading to password disclosure