Buffer overflow in Msi Dragon Center
CVE-2021-27965
The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a buffer overflow that allows privilege escalation via a crafted 0x80102040, 0x80102044, 0x80102050, or 0x80102054 IOCTL request.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.118 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.118 · newest: 0.118 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kronl/cve/tree/master/MSI_Dragon_Center (Third Party Advisory, Broken Link)
- www.microsoft.com/en-us/p/msi-dragon-center/9nh7n2bv1cqq (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-27965?
- CVE-2021-27965 is a critical-severity vulnerability in Msi Dragon Center, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-03-05.
- How severe is CVE-2021-27965?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-27965 known to be exploited?
- 20 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.