Buffer Overflow Vulnerability in MSI Dragon Center by MSI
CVE-2021-27965

9.8CRITICAL

Key Information:

Vendor

Msi

Status
Dragon Center
Vendor
CVE Published:
5 March 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 22%

What is CVE-2021-27965?

The MsIo64.sys driver in MSI Dragon Center versions prior to 2.0.98.0 contains a buffer overflow vulnerability. This flaw allows an attacker to exploit crafted IOCTL requests (specifically 0x80102040, 0x80102044, 0x80102050, or 0x80102054), potentially leading to privilege escalation. Users of affected versions are strongly advised to upgrade to mitigate this vulnerability.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-27965
Created by mathisvickie

CVE-2021-27965
Created by Jeromeyoung

CVE-2021-27965
Created by fengjixuchui

References

https://github.com/kronl/cve/tree/master/MSI_Dragon_Center
x_refsource_MISC
https://www.microsoft.com/en-us/p/msi-dragon-center/9nh7n...
x_refsource_MISC

EPSS Score

22% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.