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CVE-2009-1784

10.0 · HIGH

The AVG parsing engine 8.5 323, as used in multiple AVG anti-virus products including Anti-Virus Network Edition, Internet Security Netzwerk Edition, Server Edition für Linux/FreeBSD, Anti-Virus SB…

Published May 22, 2009avgCWE-20EPSS 3.41%

Overview

CVE-2009-1784 is a high-severity vulnerability affecting avg avg_anti-virus. It was published on May 22, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The AVG parsing engine 8.5 323, as used in multiple AVG anti-virus products including Anti-Virus Network Edition, Internet Security Netzwerk Edition, Server Edition für Linux/FreeBSD, Anti-Virus SBS Edition, and others allows remote attackers to bypass malware detection via a crafted (1) RAR and (2) ZIP archive.

Remediation

Check the references section for vendor advisories and patches from avg. Update avg_anti-virus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
avgavg_anti-virus0Affected

References

Refblog.zoller.lu/2009/04/avg-zip-evasion-bypass.htmlRefwww.securityfocus.com/archive/1/503392/100/0/threadedRefwww.securityfocus.com/bid/34895Refexchange.xforce.ibmcloud.com/vulnerabilities/50426Refblog.zoller.lu/2009/04/avg-zip-evasion-bypass.htmlRefwww.securityfocus.com/archive/1/503392/100/0/threadedRefwww.securityfocus.com/bid/34895Refexchange.xforce.ibmcloud.com/vulnerabilities/50426

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1784?

CVE-2009-1784 is a high-severity vulnerability affecting avg avg_anti-virus. It was published on May 22, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2009-1784?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-1784?

Check the references section for vendor advisories and patches from avg. Update avg_anti-virus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-1784?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1784 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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