CVE-2021-31798

Q: How do I fix CVE-2021-31798?

Upgrade credential provider to 12.1 or later.

Q: Is CVE-2021-31798 being actively exploited?

Not that we know of. CVE-2021-31798 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.44% is the estimated probability that it will be exploited in the next 30 days. That is higher than 36% of all scored CVEs.

Q: How severe is CVE-2021-31798?

CVE-2021-31798 has a CVSS v3 base score of 4.4, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-31798 affect?

Published advisories record a fix for credential provider (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

4.4

CVSS v3

NVD

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.

CWE-331

How to fix

Remediation Available

credential providerNVD

Affected:< 12.1Fixed in:12.1CVE-2021-31798derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.44%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Third-Party Advisory3

Product1

cyberark.com

Related Vulnerabilities

Other CWE-331 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2008-1447	Medium	6.8	95%	-	Fix
CVE-2018-18326	High	7.5	54%	-	-
CVE-2018-15812	High	7.5	47%	-	-
CVE-2023-38357	Medium	5.3	5.3%	-	Fix
CVE-2015-3405	High	7.5	5.3%	-	Fix
CVE-2008-2108	Critical	9.8	4.3%	-	Fix

Common questions

How do I fix CVE-2021-31798?

Upgrade credential provider to 12.1 or later.

Is CVE-2021-31798 being actively exploited?

Not that we know of. CVE-2021-31798 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.44% is the estimated probability that it will be exploited in the next 30 days. That is higher than 36% of all scored CVEs.

How severe is CVE-2021-31798?

CVE-2021-31798 has a CVSS v3 base score of 4.4, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-31798 affect?

Published advisories record a fix for credential provider (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2021-31798

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.