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CVE-2017-9811

CRITICAL

9.8

CVSS Severity Score

EPSS Score0.1200%

EPSS Percentile24.97th

PublishedJul 17, 2017

Last ModifiedMay 13, 2026

Vulnerability Description

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.

Affected Platforms (CPE)

📦

Kaspersky

Anti Virus For Linux Server

<= 8.0.3.297

References & Advisories

🔗 http://packetstormsecurity.com/files/143190/Kaspersky-Anti-Virus-File-Server-8.0.3.297-XSS-CSRF-Code-Execution.html

🔗 http://seclists.org/fulldisclosure/2017/Jun/33

🔗 http://www.securityfocus.com/bid/99330

🔗 http://www.securitytracker.com/id/1038798

🔗 https://www.coresecurity.com/advisories/kaspersky-anti-virus-file-server-multiple-vulnerabilities

🔗 https://www.exploit-db.com/exploits/42269/

🔗 http://packetstormsecurity.com/files/143190/Kaspersky-Anti-Virus-File-Server-8.0.3.297-XSS-CSRF-Code-Execution.html

🔗 http://seclists.org/fulldisclosure/2017/Jun/33

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CVE-2017-9811 Detail & Impact Analysis | CVSS 9.8 (CRITICAL) | Cyber-Sec.Space | Cyber-Sec.Space