7.5

CVE-2021-35941: westerndigital wd_my_book_live_firmware

CVSS: 7.5v3.1HighModified
Published 29-06-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-35941 is a high (CVSS 7.5) vulnerability in westerndigital wd_my_book_live_firmware. EPSS estimates a 12.71% chance of exploitation in the next 30 days, higher than 96.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
43/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
12.71%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 29-06-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

12.71%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 12.71% on 20-09-2026

20-09-202620-10-2026
EPSS score
12.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (arstechnica.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Westerndigital1 product

1 vendor · 1 product

References

2 links