HOMEVULNERABILITIESCVE-2021-44899
HIGH

CVE-2021-44899

NVD-CWE-OtherPublished: February 4, 2022· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Micro-Star International (MSI) Center <= 1.0.31.0 is vulnerable to multiple Privilege Escalation vulnerabilities in the atidgllk.sys, atillk64.sys, MODAPI.sys, NTIOLib.sys, NTIOLib_X64.sys, WinRing0.sys, WinRing0x64.sys drivers components. All the vulnerabilities are triggered by sending specific IOCTL requests.

NVD Source

Technical Analysis

CVE-2021-44899 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

msi1 product(s)
center
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://voidsec.com
ADVISORYhttps://voidsec.com/advisories/cve-2021-44899/
ADVISORYhttps://voidsec.com
ADVISORYhttps://voidsec.com/advisories/cve-2021-44899/

All References (4)

→
https://voidsec.comThird Party Advisory
→
https://voidsec.com/advisories/cve-2021-44899/Exploit · Third Party Advisory
→
https://voidsec.comThird Party Advisory
→
https://voidsec.com/advisories/cve-2021-44899/Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2021-44899
CVSS Score7.8 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 4, 2022

Related CVEs (NVD-CWE-Other)

CVE-2008-7200
10.0
CVE-2009-3845
10.0
CVE-2009-2471
10.0
CVE-2009-2296
10.0
CVE-2009-2467
10.0
CVE-2009-4143
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-44899 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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