CVE-2020-27158
CVSS v3
9.8
CRITICAL
EPSS Score
7.5 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114.
Technical details
- Published
- 2020-10-27
Frequently asked questions
What is CVE-2020-27158?
Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114.
Is CVE-2020-27158 actively exploited?
Active exploitation of CVE-2020-27158 has not been confirmed. Its EPSS score was 7.5% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-27158?
CVE-2020-27158 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2020-27158 affecting your environment?
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