What is CVE-2020-11520?

CVE-2020-11520 is a high-severity vulnerability in Winmagic Securedoc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2020-06-22.

How severe is CVE-2020-11520?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-11520 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Winmagic Securedoc

CVE-2020-11520

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.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Winmagic Securedoc
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

patois/winmagic_

References

cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-11520?: CVE-2020-11520 is a high-severity vulnerability in Winmagic Securedoc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2020-06-22.
How severe is CVE-2020-11520?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-11520 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.