The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for…
Priority MEDIUM 55CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). By abusing the quarantine read and write operations, it is possible to elevate the privileges to root.
Why it matters now
EPSS 0.10474 95th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-9811
- 2026-10-03 Alias added: GHSA-c4hx-wh9v-47f2
References
Exploit 4
- 20170628 [CORE-2017-0003] - Kaspersky Anti-Virus File Server Multiple Vulnerabilities
- http://packetstormsecurity.com/files/143190/Kaspersky-Anti-Virus-File-Server-8.0.3.297-XSS-CSRF-Code-Execution.html
- 42269
- https://www.coresecurity.com/advisories/kaspersky-anti-virus-file-server-multiple-vulnerabilities
More Kaspersky Anti-virus For Linux Server vulnerabilities
- TI-2017-07192 The reportId parameter of the getReportStatus action method can be abused in the web… CVSS 3.0HIGH 7.5
- TI-2017-07190 There are no Anti-CSRF tokens in any forms on the web interface in Kaspersky Anti-Virus… CVSS 3.0HIGH 8.8
- TI-2017-07193 In Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4… CVSS 3.0MEDIUM 6.1
Sources
- CVE-2017-9811 · CVE Program
- CVE-2017-9811 · NVD
- FIRST EPSS
- GHSA-c4hx-wh9v-47f2 · GitHub Advisory Database · CC BY 4.0
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