Vulnerability Report

CVE-2020-9320

RCE

Title: Avira Avira Antivirus For Small Business RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2020-9320.

CWE Category CWE-434
Published Date Feb 20, 2020
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 5.5 CVSS v3.1
Exploit Probability (EPSS)
2.88%

Vulnerability Summary

CVE-2020-9320: Avira AV Engine before 8.3.54.138 allows virus-detection bypass via a crafted ISO archive. This affects versions before 8.3.54.138 of Antivirus for Endpoint, Antivirus for Small Business, Exchange Security (Gateway), Internet Security Suite for Windows, Prime, Free Security Suite for Windows, and Cross Platform Anti-malware SDK. NOTE: Vendor asserts that vulnerability does not exist in product

Impacted Vendors

A
avira 8

Reference Links

http://packetstormsecurity.com/files/156472/AVIRA-Generic-Malformed-Container-Bypass.html http://seclists.org/fulldisclosure/2020/Feb/31 https://blog.zoller.lu/p/from-low-hanging-fruit-department-avira.html https://www.zoller.lu/%5BTZO-01-2020%5D%20AVIRA%20Generic%20Bypass%20ISO.pdf http://packetstormsecurity.com/files/156472/AVIRA-Generic-Malformed-Container-Bypass.html http://seclists.org/fulldisclosure/2020/Feb/31 https://blog.zoller.lu/p/from-low-hanging-fruit-department-avira.html https://www.zoller.lu/%5BTZO-01-2020%5D%20AVIRA%20Generic%20Bypass%20ISO.pdf
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-9320 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.