CVE-2020-9399
MEDIUM
5.5
CVSS Score
Published: February 28, 2020 at 01:58 PM UTC
Updated: June 17, 2026 at 03:27 AM UTC
3 products affected across 1 vendorAntivirus Pro PlusAntivirus ProAntivirus for Linux
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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 12.0
Affected range stops below 12.0, so it looks safe — our inference, not a vendor statement
v < 12.0
Affected range stops below 12.0, so it looks safe — our inference, not a vendor statement
v < 12.0
Affected range stops below 12.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.htmlx_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
https://seclists.org/fulldisclosure/2020/Feb/35CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-436
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