Security readout for executives and security teams
Plain-English summary
This CVE describes a local crash risk in Jiangmin Antivirus 16.0.0.100. A user already on the machine may be able to trigger the KVFG.sys driver and cause a Windows blue screen. The sources do not prove remote attackability, active exploitation, or a named vendor fix.
Executive priority
Treat this as an endpoint stability and local privilege boundary concern, not a confirmed remote emergency. Prioritize if Jiangmin Antivirus 16.0.0.100 exists in the environment, especially on shared workstations or systems with many local users.
Technical view
KVFG.sys in Jiangmin Antivirus 16.0.0.100 reportedly fails to validate input values for IOCTL 0x221808, allowing local users to cause denial of service and possibly unspecified other impact. No CVSS, CWE, or reliable affected CPE data is provided in the bundle.
Likely exposure
Exposure appears limited to endpoints running Jiangmin Antivirus 16.0.0.100 with KVFG.sys present. The described attacker position is local user access, so externally reachable systems are not directly indicated by the provided sources.
Exploitation context
The CVE reference includes a public GitHub proof-of-concept repository path. The bundle does not cite CISA KEV listing, active exploitation, remote exploitation, or exploitation in the wild.
Researcher notes
Evidence is sparse. The CVE text identifies IOCTL input validation failure in a kernel driver, but affected metadata is listed as n/a and no patch, CVSS, CWE, or vendor advisory is included. Keep conclusions constrained to local DoS and unspecified possible impact.
Mitigation direction
- Inventory endpoints for Jiangmin Antivirus 16.0.0.100 and KVFG.sys.
- Check Jiangmin or trusted vendor guidance for fixed builds or replacement options.
- Restrict local interactive access on affected endpoints where possible.
- Prioritize removal or upgrade if the product is unsupported.
- Avoid running public PoC material on production systems.
Validation and detection
- Confirm installed Jiangmin Antivirus version on managed endpoints.
- Verify whether KVFG.sys is present and loaded.
- Review endpoint crash records for unexplained BSOD events.
- Check vulnerability scanners for CVE-2018-6787 coverage.
- Validate remediation by confirming the vulnerable version is absent.
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-2018-6787 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/KVFG_221808CVE 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.