SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-9399

The Avast AV parsing engine allows virus-detection bypass via a crafted ZIP archive.

MEDIUM 5.5EPSS 1.16%

Does this matter?

Lower severity and a low EPSS score (1.16%). Track it; it rarely justifies an emergency change on its own.

Description

The Avast AV parsing engine allows virus-detection bypass via a crafted ZIP archive. This affects versions before 12 definitions 200114-0 of Antivirus Pro, Antivirus Pro Plus, and Antivirus for Linux.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
1.16% probability · 65th percentile
CISA KEV
Not listed
Weakness
CWE-436
Affected
avast/antivirus for linux · avast/antivirus pro · avast/antivirus pro plus
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.