What is CVE-2021-31837?

CVE-2021-31837 is a high-severity vulnerability in Mcafee Getsusp, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-06-09.

How severe is CVE-2021-31837?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-31837 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Mcafee Getsusp

CVE-2021-31837

Memory corruption vulnerability in the driver file component in McAfee GetSusp prior to 4.0.0 could allow a program being investigated on the local machine to trigger a buffer overflow in GetSusp, leading to the execution of arbitrary code, potentially triggering a BSOD.

Vulnerability class: Buffer Overflow

Published 2021-06-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (28.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Mcafee Getsusp
Mcafee,llc Mcafee Getsusp — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

n0-traces/cve_

References

kc.mcafee.com/corporate/index (Broken Link)

Frequently asked questions

What is CVE-2021-31837?: CVE-2021-31837 is a high-severity vulnerability in Mcafee Getsusp, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-06-09.
How severe is CVE-2021-31837?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-31837 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.