CVE-2020-12830: westerndigital my_cloud_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 27-10-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-12830 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in westerndigital my_cloud_firmware. EPSS estimates a 3.33% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
3.33%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Addressed multiple stack buffer overflow vulnerabilities that could allow an attacker to carry out escalation of privileges through unauthorized remote code execution in Western Digital My Cloud devices before 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 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.33%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.33% on 20-09-2026
20-09-202620-10-2026
EPSS score3.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Westerndigital1 product
- my_cloud_firmware< 5.04.114
1 vendor · 1 product
References
2 links- www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114X Refsource CONFIRMVendor Advisory