CVE-2020-27160: westerndigital my_cloud_firmware Path Traversal
CVSS: 9.8v3.1CriticalModified
Published 27-10-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-27160 is a critical (CVSS 9.8) Path Traversal vulnerability in westerndigital my_cloud_firmware. EPSS estimates a 4.87% chance of exploitation in the next 30 days, higher than 91.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
4.87%
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 AvailableApps.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114 (issue 3 of 3).
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 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.87%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.87% on 20-09-2026
20-09-202620-10-2026
EPSS score4.87%
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