PT-2020-4932 · Western Digital · Western Digital My Cloud

Published 2020-10-27 · Updated 2021-12-02 · CVE-2020-27159

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: Western Digital My Cloud NAS devices prior to 5.04.114

Description: The issue exists due to insufficient validation of user input in the DsdkProxy.php component of Western Digital MyCloud NAS devices, allowing a remote attacker to execute arbitrary code.

Recommendations: For Western Digital My Cloud NAS devices prior to 5.04.114, update to version 5.04.114 or later to resolve the issue. As a temporary workaround, consider restricting access to the DsdkProxy.php component until a patch is applied.

Exploit

Fix

OS Command Injection

RCE

Weakness Enumeration

CWE-78

CWE-20

Related Identifiers

BDU:2020-05507

CVE-2020-27159

Affected Products

Western Digital My Cloud

References · 7

• 🔥 https://comparitech.com/blog/information-security/security-vulnerabilities-80000-devices-update-now · Exploit
• https://westerndigital.com/support/productsecurity · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27159 · Security Note
• https://westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-27159 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-05507 · Security Note
• https://t.me/cvenotify/5664 · Telegram Post