CVE-2021-31797: cyberark credential_provider Insufficient Entropy
CVSS: 5.1v3.1MediumModified
Published 01-09-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-31797 is a medium (CVSS 5.1) Insufficient Entropy vulnerability in cyberark credential_provider. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.6% of scored vulnerabilities.
CVSS score
5.1/10
010
Medium · v3.1 (NVD)EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Low 1.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.34% on 21-09-2026
21-09-202621-10-2026
EPSS score0.34%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-331Insufficient EntropyThe product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected systems
Cyberark1 product
- credential_provider< 12.1
1 vendor · 1 product
References
4 links- korelogic.com/Resources/Advisories/KL-001-2021-009.txtX Refsource MISCMailing ListThird Party Advisory