CVE-2020-20118 — Classic Buffer Overflow in Antivirus

CWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 90.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Avast Antivirus
Timeline
PublishedJul 11

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages1 packages

▶NVDavast/antivirus< 19.7

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-qjj5-85f7-r9rp: Buffer Overflow vulnerability in Avast AntiVirus before v↗2023-07-11
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CVEList
CVE-2020-20118: Buffer Overflow vulnerability in Avast AntiVirus before v↗2023-07-11
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CVE-2020-20118 — Classic Buffer Overflow in Avast | cvebase