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CVE-2015-8620

HIGH
7.8
CVSS Severity Score
EPSS Score0.1950%
EPSS Percentile26.45th
PublishedApr 13, 2016
Last ModifiedMay 6, 2026

Vulnerability Description

Heap-based buffer overflow in the Avast virtualization driver (aswSnx.sys) in Avast Internet Security, Pro Antivirus, Premier, and Free Antivirus before 11.1.2253 allows local users to gain privileges via a Unicode file path in an IOCTL request.

Affected Platforms (CPE)

📦
Avast

Avast Free Antivirus

<= 11.1.2245
📦
Avast

Avast Internet Security

<= 11.1.2245
📦
Avast

Avast Premier

<= 11.1.2245
📦
Avast

Avast Pro Antivirus

<= 11.1.2245

References & Advisories

🔗 http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html
🔗 http://seclists.org/fulldisclosure/2016/Feb/94
🔗 http://www.securitytracker.com/id/1035093
🔗 https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/
🔗 http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html
🔗 http://seclists.org/fulldisclosure/2016/Feb/94
🔗 http://www.securitytracker.com/id/1035093
🔗 https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/

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CVE-2015-8620 Detail & Impact Analysis | CVSS 7.8 (HIGH) | Cyber-Sec.Space | Cyber-Sec.Space