CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2015-8620
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.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
- CWE
- CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- avast:avast_free_antivirus
- avast:avast_internet_security
- avast:avast_premier
- avast:avast_pro_antivirus
References
- 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