CVE-2020-11520

7.8 highEPSS 0.4%

High (7.8) in winmagic securedoc. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2020-06-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

winmagic:securedoc

References

https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2-hf1
https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2/
https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2-hf1
https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2/

Check your stack JSON