Security readout for executives and security teams
Plain-English summary
This CVE describes a flaw in a K7 Antivirus kernel driver that can crash a Windows system when mishandling a specific control request. The public record does not show active exploitation, a CVSS score, or a named vendor fix. Business urgency is mainly around stability risk on endpoints still running the old affected version.
Executive priority
Treat this as a targeted endpoint stability issue, not a confirmed enterprise-wide emergency. Prioritize discovery and remediation of the specific legacy K7 Antivirus version, especially on shared or user-accessible Windows systems.
Technical view
K7Sentry.sys version 15.1.0.59 in K7 Antivirus 15.1.0309 has a NULL pointer dereference reachable through a DeviceIoControl request. Evidence points to a kernel-mode denial-of-service condition rather than confirmed code execution. The CVE record includes a public proof-of-concept reference, but not vendor remediation details.
Likely exposure
Exposure appears limited to systems with K7 Antivirus 15.1.0309 and K7Sentry.sys 15.1.0.59 installed. The source bundle does not identify broader affected versions or CPEs.
Exploitation context
The CVE references a public GitHub proof-of-concept. CISA KEV is false in the supplied data, and no cited source states active exploitation in the wild.
Researcher notes
The public data is sparse: no CVSS, CWE, CPE, or vendor patch information is included. Analysis should stay anchored to the named driver and version. The referenced PoC supports reproducibility, but should not be treated as evidence of active exploitation.
Mitigation direction
- Inventory endpoints for K7 Antivirus 15.1.0309 and K7Sentry.sys 15.1.0.59.
- Check K7 vendor guidance for fixed or supported versions.
- Upgrade, replace, or retire affected installations if vendor guidance permits.
- Prioritize systems where local untrusted users can interact with the endpoint.
- Confirm the vulnerable driver is removed after remediation.
Validation and detection
- Verify installed K7 Antivirus and K7Sentry.sys versions on representative endpoints.
- Check endpoint crash history for K7Sentry.sys-related failures.
- Confirm whether affected systems remain in active production use.
- Review vendor advisories or support responses for remediation status.
- Document any compensating controls for systems awaiting upgrade.
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-2017-17464 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/k0keoyo/Driver-Loaded-PoC/tree/master/K7-Antivirus/K7Anti_Nullptr_Dereference_0x95002570CVE 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.