How severe is CVE-2021-36750?

CVE-2021-36750 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-36750 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36750?

CVE-2021-36750 primarily affects Zendesk Enc Datavault. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-36750?

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-2021-36750 published?

CVE-2021-36750 was published on 2021-12-22 and last updated on 2026-06-17.

CVE-2021-36750

CVE-2021-36750 is a high-severity vulnerability in Zendesk Enc Datavault with a CVSS 3.x base score of 8.1. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-307.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Zendesk Enc Datavault
Published: 2021-12-22
Last modified: 2026-06-17

Description

ENC DataVault before 7.2 and VaultAPI v67 mishandle key derivation, making it easier for attackers to determine the passwords of all DataVault users (across USB drives sold under multiple brand names).

Frequently asked questions

What is CVE-2021-36750?: ENC DataVault before 7.2 and VaultAPI v67 mishandle key derivation, making it easier for attackers to determine the passwords of all DataVault users (across USB drives sold under multiple brand names).
How severe is CVE-2021-36750?: CVE-2021-36750 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-36750 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36750?: CVE-2021-36750 primarily affects Zendesk Enc Datavault. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-36750?: 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-2021-36750 published?: CVE-2021-36750 was published on 2021-12-22 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:zendesk:enc_datavault:*:*:*:*:*:*:*:*
cpe:2.3:a:zendesk:enc_vaultapi:*:*:*:*:*:*:*:*
cpe:2.3:a:sandisk:secureaccess:3.02:*:*:*:*:*:*:*

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