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CVE-2020-12830

Addressed multiple stack buffer overflow vulnerabilities that could allow an attacker to carry...

9.8 Critical

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

3.33%Up 2.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

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.

Record
CVE-2020-12830
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2020-12830
Updated
2026-11-02
EUVDEUVD-2020-5112 No score

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.

Record
EUVD-2020-5112
Updated
2026-11-03
GitHub AdvisoriesGHSA-hmww-h9vv-9rgj No score

Addressed multiple stack buffer overflow vulnerabilities that could allow an attacker to carry...

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.

Record
GHSA-hmww-h9vv-9rgj
Weakness
CWE-787
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-12830 is a critical vulnerability (CVSS 9.8) in Westerndigital My Cloud Firmware, published October 27, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.33%, the 88th percentile. No source names a fixed version.

References

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