CVE-2015-8620 describes a heap-based buffer overflow in the Avast virtualization driver (aswSnx.sys), impacting Avast Internet Security, Pro Antivirus, Premier, and Free Antivirus versions prior to 11.1.2253. This vulnerability allows a local attacker to escalate privileges by providing a specially crafted Unicode file path within an IOCTL request. With a CVSS score of 7.8 (High), it presents a significant risk, enabling full compromise of confidentiality, integrity, and availability (C:H/I:H/A:H) with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB, and it has garnered minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 11.1.2245CPE matchmatch criteria | cpe:2.3:a:avast:avast_free_antivirus:*:*:*:*:*:*:*:* | ||
<= 11.1.2245CPE matchmatch criteria | cpe:2.3:a:avast:avast_internet_security:*:*:*:*:*:*:*:* | ||
<= 11.1.2245CPE matchmatch criteria | cpe:2.3:a:avast:avast_premier:*:*:*:*:*:*:*:* | ||
<= 11.1.2245CPE matchmatch criteria | cpe:2.3:a:avast:avast_pro_antivirus:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.