Cyber Resilience

CVE-2021-36750

High

Published: 22 December 2021

Published
22 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.1970 95.6th percentile
Risk Priority 28 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-36750 is a high-severity Improper Restriction of Excessive Authentication Attempts (CWE-307) vulnerability in Zendesk Enc Datavault. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 4.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zendesk
enc datavault
≤ 7.2
zendesk
enc vaultapi
≤ 67.0
sandisk
secureaccess
3.02

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-307

This control directly enforces limits on consecutive invalid logon attempts and automatic response (e.g., lockout) to prevent brute-force exploitation of authentication mechanisms.

addresses: CWE-307

Specific conditions can include excessive failed attempts, triggering stronger authentication that restricts brute-force exploitation.

References