Vulnerability Details : CVE-2020-20118
Buffer Overflow vulnerability in Avast AntiVirus before v.19.7 allows a local attacker to cause a denial of service via a crafted request to the aswSnx.sys driver.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2020-20118
- cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-20118
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-20118
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-20118
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-20118
-
https://gitlab.com/yongchuank/avast-aswsnx-ioctl-82ac0060-oob-write
yong chuan koh / avast-aswsnx-ioctl-82ac0060-oob-write ยท GitLabPatch;Third Party Advisory
-
http://avast.com
Avast | Download Free Antivirus & VPN | 100% Free & EasyVendor Advisory
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