Path Traversal in Westerndigital My Cloud Ex4100
CVE-2020-27160
Addressed remote code execution vulnerability in AvailableApps.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114 (issue 3 of 3).
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.049 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.westerndigital.com/support/productsecurity (Vendor Advisory)
- www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-vers… (Vendor Advisory)
- www.comparitech.com/blog/information-security/security-vulnerabilities-80000-de… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27160?
- CVE-2020-27160 is a critical-severity vulnerability in Westerndigital My Cloud Ex4100, classified under Path Traversal. CVSS score: 9.8/10. Published 2020-10-27.
- How severe is CVE-2020-27160?
- Critical severity. CVSS v3 base score is 9.8 out of 10.