High severity · published Sep 2, 2021
CVE-2021-31796
An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information Disclosure
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information Disclosure. An attacker may realistically have enough information that the number of possible keys (for a credential file) is only one, and the number is usually not higher than 2^36.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% 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-2021-31796
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-31796
Third Party Advisory
http://packetstormsecurity.com/files/164023/CyberArk-Credential-File-Insufficient-Effective-Key-Space.html
Mailing List
http://seclists.org/fulldisclosure/2021/Sep/1
Mailing List
https://korelogic.com/Resources/Advisories/KL-001-2021-008.txt
Product
https://www.cyberark.com/resources/blog
More from Credential Provider
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
4.4
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…