What is CVE-2020-27744?

CVE-2020-27744 is a critical-severity vulnerability in Westerndigital My_cloud_ex2_ultra, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-10-29.

How severe is CVE-2020-27744?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Westerndigital My_cloud_ex2_ultra

CVE-2020-27744

An issue was discovered on Western Digital My Cloud NAS devices before 5.04.114. They allow remote code execution with resultant escalation of privileges.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.059 (92.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Westerndigital My_cloud_ex2_ultra
Westerndigital My_cloud_ex4100
Westerndigital My_cloud_firmware
Westerndigital My_cloud_mirror_gen2
Westerndigital My_cloud_pr2100
Westerndigital My_cloud_pr4100
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27744?: CVE-2020-27744 is a critical-severity vulnerability in Westerndigital My_cloud_ex2_ultra, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-10-29.
How severe is CVE-2020-27744?: Critical severity. CVSS v3 base score is 9.8 out of 10.