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CVE-2021-31798

18
FAUCET Score

CVE-2021-31798 describes a low-entropy key space vulnerability in CyberArk Credential Provider versions prior to 12.1, allowing a local malicious user to potentially decrypt cache files. This medium-severity vulnerability (CVSS 4.4) requires high privileges and local access to exploit, leading to a high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.1CPE matchmatch criteria
cpe:2.3:a:cyberark:credential_provider:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
35.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 86th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/164035/CyberArk-Credential-Provider-Local-Cache-Decryption.html
Third Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2021/Sep/3
Mailing ListThird Party Advisory
korelogic.com / Resources/Advisories/KL-001-2021-010.txt
Third Party Advisory
cyberark.com / resources/blog
Product