CVE-2020-11520

CVSS V2 Medium 4.6 CVSS V3 High 7.8

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.

Overview

CVE ID
CVE-2020-11520

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-06-22T18:15:11

Last Modified Date
2022-05-03T13:59:21

Weakness Enumerations

CWE	URL
CWE-119	http://cwe.mitre.org/data/definitions/119.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:winmagic:securedoc::::::::	1	OR		8.5

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
4.6

Severity
MEDIUM

Exploitability Score
3.9

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
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-hf1	Release Notes Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-11520
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11520

History

Created	Old Value	New Value	Data Type	Notes
2022-05-08 06:20:03				Added to TrackCVE
2022-12-04 18:35:12	2020-06-22T18:15Z	2020-06-22T18:15:11	CVE Published Date	updated
2022-12-04 18:35:12		2022-05-03T13:59:21	CVE Modified Date	updated
2022-12-04 18:35:12		Analyzed	Vulnerability Status	updated