Security readout for executives and security teams
Plain-English summary
CVE-2018-6780 affects Jiangmin Antivirus 16.0.0.100. A local user can interact with the KSysCall.sys driver in a way that may crash Windows with a BSOD. The public record also says there may be unspecified other impact, but does not define it.
Executive priority
Treat this as a targeted endpoint stability risk, not a confirmed enterprise-wide emergency. Prioritize systems where Jiangmin Antivirus 16.0.0.100 is still deployed, especially shared workstations or servers with local user access.
Technical view
The issue is improper input validation in the KSysCall.sys driver for IOCtl 0x9A0081E4. The CVE describes local denial of service and possible unspecified impact. No CVSS score, CWE, CPE, vendor advisory, or fixed version is provided in the supplied sources.
Likely exposure
Exposure appears limited to Windows systems running Jiangmin Antivirus 16.0.0.100 with KSysCall.sys installed and reachable by local users. The source bundle does not identify broader affected versions or products.
Exploitation context
The CVE references a public proof-of-concept repository, but KEV is false and the supplied sources do not report active exploitation. The described attacker position is local access, not remote unauthenticated access.
Researcher notes
Evidence is sparse. The CVE names one version, one driver, and one IOCTL, but omits CVSS, CWE, CPEs, and remediation details. Public PoC material exists, so validation should focus on asset exposure and vendor fix status, not exploit reproduction.
Mitigation direction
- Identify endpoints running Jiangmin Antivirus 16.0.0.100.
- Check whether KSysCall.sys is installed and loaded.
- Review Jiangmin vendor guidance for updates or replacement builds.
- Restrict local user access on affected systems where feasible.
- Prioritize migration if no maintained fix is available.
Validation and detection
- Inventory installed Jiangmin Antivirus versions across endpoints.
- Confirm the presence and version of KSysCall.sys.
- Check endpoint crash history for unexplained BSOD events.
- Verify whether vendor documentation names a fixed version.
- Avoid using public PoC material in production environments.
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
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CVE-2018-6780 mapping review
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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_9A0081E4CVE 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.