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).

Published: 2021-12-22 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-36750 is rated Moderate Risk (61/100): CVSS High severity, with high exploitation likelihood (EPSS 13.53%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-36750

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 19.70% 13.53% -6.17%
2 2025-11-21 5.17% 19.70% +14.53%
3 2025-11-18 5.17%

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-36750

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 5.2 [email protected]
5.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.0 4.9 [email protected]

Weakness enumeration for CVE-2021-36750

Affected software / configurations for CVE-2021-36750

Vendor Product Version Raw CPE
zendesk enc_datavault < 7.2 cpe:2.3:a:zendesk:enc_datavault:*:*:*:*:*:*:*:*
zendesk enc_vaultapi < 67.0 cpe:2.3:a:zendesk:enc_vaultapi:*:*:*:*:*:*:*:*
sandisk secureaccess 3.02 cpe:2.3:a:sandisk:secureaccess:3.02:*:*:*:*:*:*:*

References for CVE-2021-36750

cvelogic Threat Intelligence