Security readout for executives and security teams
Plain-English summary
McAfee GetSusp before 4.0.0 contains a memory corruption flaw in a driver component. A local program being examined by GetSusp could cause a buffer overflow, potentially running arbitrary code or crashing the system. Treat this as high priority where GetSusp is installed, especially on investigation workstations or response environments.
Executive priority
High priority for organizations that use McAfee GetSusp. The business risk is concentrated on local systems running the tool, but impact can include code execution and system crash during investigation workflows.
Technical view
CVE-2021-31837 is a CWE-787 out-of-bounds write in McAfee GetSusp's driver file component. CVSS 3.1 is 8.8: local attack vector, low complexity, low privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact. The vulnerable range is described as GetSusp prior to 4.0.0.
Likely exposure
Exposure appears limited to systems running McAfee GetSusp before 4.0.0. The source bundle does not identify affected operating systems, default deployment patterns, or specific vulnerable driver names beyond the driver file component.
Exploitation context
The bundle does not report active exploitation, and CISA KEV is false. Exploitation requires local execution by a program being investigated on the machine, so this is not described as a remote internet-facing issue.
Researcher notes
Evidence is concise: CVE data, CVSS vector, CWE-787 classification, and a McAfee confirmation reference. The bundle does not provide exploit details, indicators, affected platforms, or named mitigations beyond the version boundary.
Mitigation direction
- Identify systems with McAfee GetSusp installed.
- Prioritize endpoints used for malware investigation or incident response.
- Update GetSusp to version 4.0.0 or later where applicable.
- Review McAfee advisory SB10363 for vendor-specific remediation details.
- Remove vulnerable GetSusp installations where the tool is no longer required.
Validation and detection
- Confirm GetSusp version on managed endpoints and investigation workstations.
- Check asset inventory for GetSusp installations older than 4.0.0.
- Verify remediation against McAfee advisory SB10363.
- Review crash or endpoint telemetry for unexpected GetSusp driver failures.
- Document exceptions where vulnerable versions cannot be updated immediately.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-31837 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H26Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://kc.mcafee.com/corporate/index?page=content&id=SB10363CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.