Security readout for executives and security teams
Plain-English summary
This CVE concerns a Jiangmin Antivirus kernel driver flaw that can let a local user crash an affected Windows system. The public record names Jiangmin Antivirus 16.0.0.100 and KSysCall.sys. Business urgency depends on whether this legacy product is still installed, because no remote attack path or active exploitation is cited.
Executive priority
Set priority after inventory. If the product is absent, risk is negligible. If present on business-critical Windows endpoints, treat as a focused operational stability issue because a local user could force system crashes.
Technical view
The issue is improper input validation in KSysCall.sys for IOCTL 0x9A00824C. The CVE states local users can cause denial of service through BSOD, with possibly unspecified other impact. No CVSS score, CWE, vendor patch, or complete affected-product metadata is provided in the source bundle.
Likely exposure
Exposure appears limited to systems running Jiangmin Antivirus 16.0.0.100 with the KSysCall.sys driver. The vulnerability requires local user access, so internet-facing exposure is not indicated by the provided sources.
Exploitation context
A public GitHub proof-of-concept reference is listed, but CISA KEV status is false and the provided sources do not state active exploitation. Treat exploit status as public research availability, not confirmed in-the-wild use.
Researcher notes
The source data is sparse: no CVSS vector, CWE, official advisory, or patch reference is included. Analysis should stay tied to the named driver, version, local prerequisite, IOCTL reference, and denial-of-service impact.
Mitigation direction
- Inventory endpoints for Jiangmin Antivirus 16.0.0.100 and KSysCall.sys.
- Check Jiangmin or distributor guidance for updates or retirement instructions.
- Upgrade, remove, or replace affected software where vendor guidance supports it.
- Restrict unnecessary local interactive access on affected endpoints.
- Prioritize systems where crashes would disrupt critical operations.
Validation and detection
- Confirm whether KSysCall.sys is present on managed Windows endpoints.
- Verify installed Jiangmin Antivirus version against 16.0.0.100.
- Review endpoint crash history for BSODs involving KSysCall.sys.
- Confirm whether vendor-provided remediation exists before declaring fixed.
- Document any remaining unsupported installations as accepted residual risk.
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.
CVE-2018-6784 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ZhiyuanWang-Chengdu-Qihoo360/Jiangmin_Antivirus_POC/tree/master/KSysCall_9A00824CCVE reference · x_refsource_MISC
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.