How severe is CVE-2021-31796?

CVE-2021-31796 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-31796 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31796?

CVE-2021-31796 affects Cyberark Credential Provider. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31796?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-31796 published?

CVE-2021-31796 was published on 2021-09-02 and last updated on 2026-06-17.

CVE-2021-31796

CVE-2021-31796 is a high-severity vulnerability in Cyberark Credential Provider with a CVSS 3.x base score of 7.5. 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-327.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Cyberark Credential Provider
Published: 2021-09-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-31796?: 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.
How severe is CVE-2021-31796?: CVE-2021-31796 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-31796 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31796?: CVE-2021-31796 affects Cyberark Credential Provider. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31796?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-31796 published?: CVE-2021-31796 was published on 2021-09-02 and last updated on 2026-06-17.

References

Affected products (1)

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

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CVE-2021-31797 — Medium (CVSS 5.1): The user identification mechanism used by CyberArk Credential Provider prior to 12.1 is susceptible to a local host…
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