Overview
- 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.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 7.2
- Impact score
- 10
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-119
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:avast:avast_free_antivirus:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "98114D98-B923-4D1C-97F2-89CAAF21214E",
"versionEndIncluding": "11.1.2245"
},
{
"criteria": "cpe:2.3:a:avast:avast_internet_security:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "333F54CD-DEFF-4EB8-8062-F8E7CEFB3E82",
"versionEndIncluding": "11.1.2245"
},
{
"criteria": "cpe:2.3:a:avast:avast_premier:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C749D4B9-46D1-45FF-A3F0-0CC272FD904E",
"versionEndIncluding": "11.1.2245"
},
{
"criteria": "cpe:2.3:a:avast:avast_pro_antivirus:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "86CF89C2-F55D-42B4-8154-D22EC7BF463B",
"versionEndIncluding": "11.1.2245"
}
],
"operator": "OR"
}
]
}
]