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CVE-2021-36750

33
FAUCET Score

CVE-2021-36750 is a critical vulnerability affecting ENC DataVault and VaultAPI software, impacting USB drives sold under brands like SanDisk and Zendesk. The flaw in key derivation allows attackers to more easily determine user passwords, leading to high confidentiality and integrity impacts. With a CVSS score of 8.1 (High) and an EPSS score indicating significant exploitability potential, this vulnerability is easily exploitable over a network with low privileges and complexity. While there is no known active exploitation or public exploit code, the vulnerability has garnered considerable community discussion and media coverage, highlighting its potential risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.2CPE matchmatch criteria
cpe:2.3:a:zendesk:enc_datavault:*:*:*:*:*:*:*:*
< 67.0CPE matchmatch criteria
cpe:2.3:a:zendesk:enc_vaultapi:*:*:*:*:*:*:*:*
3.02CPE matchmatch criteria
cpe:2.3:a:sandisk:secureaccess:3.02:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
13.53%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1353 is in the 95th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

encsecurity.zendesk.com / hc/en-us/articles/4413283717265-Update-for-ENC-Software
Vendor Advisory
pretalx.c3voc.de / rc3-2021-r3s/talk/QMYGR3
Third Party Advisory
encsecurity.com / solutions.php
Product
westerndigital.com / en-ap/support/product-security/wdc-21014-sandisk-secureaccess-software-update
Third Party Advisory