CVE-2020-9320
Last modified
CVE-2020-9320 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 2.81% chance of exploitation in the next 30 days.
Description
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
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Avira | Anti-Malware Sdk | < 8.3.54.138 |
| Avira | Antivirus Server | < 8.3.54.138 |
| Avira | Avira Antivirus For Endpoint | < 8.3.54.138 |
| Avira | Avira Antivirus For Small Business | < 8.3.54.138 |
| Avira | Avira Exchange Security | < 8.3.54.138 |
| Avira | Avira Free Security Suite | < 8.3.54.138 |
| Avira | Avira Internet Security Suite | < 8.3.54.138 |
| Avira | Avira Prime | < 8.3.54.138 |
References
- http://packetstormsecurity.com/files/156472/AVIRA-Generic-Malformed-Container-Bypass.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Feb/31Mailing List, Third Party Advisory
- https://blog.zoller.lu/p/from-low-hanging-fruit-department-avira.htmlThird Party Advisory
- http://packetstormsecurity.com/files/156472/AVIRA-Generic-Malformed-Container-Bypass.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Feb/31Mailing List, Third Party Advisory
- https://blog.zoller.lu/p/from-low-hanging-fruit-department-avira.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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