How severe is CVE-2021-31798?

CVE-2021-31798 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-31798 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31798?

CVE-2021-31798 affects Cyberark Credential Provider. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31798?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-31798 published?

CVE-2021-31798 was published on 2021-09-02 and last updated on 2026-06-17.

CVE-2021-31798

CVE-2021-31798 is a medium-severity vulnerability in Cyberark Credential Provider with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-331.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 1.9
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-331
Affected product: Cyberark Credential Provider
Published: 2021-09-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 plaintext of cache files.
How severe is CVE-2021-31798?: CVE-2021-31798 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-31798 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31798?: CVE-2021-31798 affects Cyberark Credential Provider. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31798?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31798 published?: CVE-2021-31798 was published on 2021-09-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cyberark:credential_provider:*:*:*:*:*:*:*:*

More vulnerabilities in Cyberark Credential Provider

CVE-2021-31796 — High (CVSS 7.5): An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information…
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