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HomeCVEsCVE-2021-35941

CVE-2021-35941

Published: January 26, 2026
Last updated:1 day ago (January 26, 2026)
Exploit: YesZero-day: YesPatch: YesTrend: Neutral
TL;DR
Updated January 26, 2026

CVE-2021-35941 is a high severity vulnerability with a CVSS score of 7.5. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.

Key Points
  • 1High severity (CVSS 7.5/10)
  • 2EPSS: 4.00% - moderate likelihood of exploitation
  • 3Public exploits are available
  • 4Vendor patches are available
  • 5Strobes Priority Score: 725/1000 (High)
  • 6Affects products from: Westerndigital
Severity Scores
CVSS v37.5
CVSS v25.0
Priority Score725.0
EPSS Score4.0
High
Exploitation LikelihoodLow
4.00%EPSS

Lower probability of exploitation

Patch during regular maintenance
4.00%
EPSS
7.5
CVSS
Yes
Exploit
Yes
Patch
Medium Priority
exploit exists

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

Western Digital WD My Book Live (2.x and later) and WD My Book Live Duo (all versions) have an administrator API that can perform a system factory restore without authentication, as exploited in the wild in June 2021, a different vulnerability than CVE-2018-18472.

CVSS v3 Breakdown
Attack Vector:Network
Attack Complexity:Local
Privileges Required:Network
User Interaction:Network
Scope:Unchanged
Confidentiality:Network
Integrity:Network
Availability:High
Exploit References
Arstechnica.com[email protected]
Patch References
[email protected]Zeroday CZ
Trend Analysis
Neutral
Vulnerable Products
VendorProduct
WesterndigitalWd My Book Live Duo
WesterndigitalWd My Book Live
WesterndigitalWd My Book Live Duo Firmware
WesterndigitalWd My Book Live Firmware
Advisories
GitHub Advisory
NVD: Western Digital WD My Book Live (2.x and later) and WD My Book Live Duo (all versions) have an administrator API that can perform a system factory restore without authentication, as exploited in the wild in June 2021, a different vulnerability than CVE-2018-18472.
Cite This Page
APA Format
Strobes VI. (2026). CVE-2021-35941 - CVE Details and Analysis. Strobes VI. Retrieved January 27, 2026, from https://vi.strobes.co/cve/CVE-2021-35941
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