CVE-2020-11520

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

The SDDisk2k.sys driver of WinMagic SecureDoc v8.5 and earlier allows local users to write to arbitrary kernel memory addresses because the IOCTL dispatcher lacks pointer validation. Exploiting this vulnerability results in privileged code execution.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2-hf1Release Notes, Vendor Advisory
https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2/Release Notes, Vendor Advisory
https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2-hf1Release Notes, Vendor Advisory
https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2/Release Notes, Vendor Advisory

Timeline

Published: Jun 22, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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