CVE-2020-27158: westerndigital my_cloud_firmware OS Command Injection
CVSS: 10.0v2.0HighModified
Published 27-10-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-27158 is a high (CVSS 10.0) OS Command Injection vulnerability in westerndigital my_cloud_firmware. EPSS estimates a 7.50% chance of exploitation in the next 30 days, higher than 94.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
7.50%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 27-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
7.50%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 7.50% on 20-09-2026
20-09-202620-10-2026
EPSS score7.50%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (comparitech.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Westerndigital1 product
- my_cloud_firmware< 5.04.114
1 vendor · 1 product
References
3 links- www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114X Refsource CONFIRMVendor Advisory
- www.comparitech.com/blog/information-security/security-vulnerabilities-80000-devices-update-now/X Refsource MISCExploitThird Party Advisory