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CVE-2021-44900

HIGHCVSS 7.8/10EPSS 0.25%

Last modified

CVE-2021-44900 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Micro-Star International (MSI) App Player <= 4.280.1.6309 is vulnerable to multiple Privilege Escalation (LPE/EoP) vulnerabilities in the NTIOLib_X64.sys and BstkDrv_msi2.sys drivers components. All the vulnerabilities are triggered by sending specific IOCTL requests.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

Micro-Star International (MSI) App Player <= 4.280.1.6309 is vulnerable to multiple Privilege Escalation (LPE/EoP) vulnerabilities in the NTIOLib_X64.sys and BstkDrv_msi2.sys drivers components. All the vulnerabilities are triggered by sending specific IOCTL requests.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.25%

16.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MsiApp Player<= 4.280.1.6309

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-44900?
Micro-Star International (MSI) App Player <= 4.280.1.6309 is vulnerable to multiple Privilege Escalation (LPE/EoP) vulnerabilities in the NTIOLib_X64.sys and BstkDrv_msi2.sys drivers components. All the vulnerabilities are triggered by sending specific IOCTL requests.
How severe is CVE-2021-44900?
CVE-2021-44900 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44900?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44900?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST