PT-2020-4930 · Western Digital · Western Digital My Cloud

Abdulla Ismayilov · Published 2020-10-27 · Updated 2021-12-01 · CVE-2020-27158

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Description: The issue is related to a remote code execution vulnerability in the cgi api.php component of Western Digital My Cloud NAS devices. This vulnerability is associated with insecure privilege management, which can be exploited by a remote attacker to execute arbitrary code, thereby escalating privileges.

Recommendations: For versions 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 cgi api.php component until a patch is applied.

Exploit

Fix

Improper Privilege Management

OS Command Injection

Weakness Enumeration

CWE-269

CWE-78

Related Identifiers

BDU:2020-05505

CVE-2020-27158

Affected Products

Western Digital My Cloud

References · 8

• 🔥 https://comparitech.com/blog/information-security/security-vulnerabilities-80000-devices-update-now · Exploit
• https://bdu.fstec.ru/vul/2020-05505 · Security Note
• https://osv.dev/vulnerability/CVE-2020-27158 · Vendor Advisory
• https://westerndigital.com/support/productsecurity · Vendor Advisory
• https://westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27158 · Security Note
• https://t.me/cvenotify/24012 · Telegram Post
• https://t.me/cvenotify/5661 · Telegram Post