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CVE-2003-0111

7.5 · HIGH

The ByteCode Verifier component of Microsoft Virtual Machine (VM) build 5.0.3809 and earlier, as used in Windows and Internet Explorer, allows remote attackers to bypass security checks and execute…

Published May 5, 2003microsoftEPSS 36.67%

Overview

CVE-2003-0111 is a high-severity vulnerability affecting microsoft virtual_machine. It was published on May 5, 2003 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The ByteCode Verifier component of Microsoft Virtual Machine (VM) build 5.0.3809 and earlier, as used in Windows and Internet Explorer, allows remote attackers to bypass security checks and execute arbitrary code via a malicious Java applet, aka "Flaw in Microsoft VM Could Enable System Compromise."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update virtual_machine 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

References

Refwww.iss.net/security_center/static/11751.phpRefwww.kb.cert.org/vuls/id/447569Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-011Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A136Refwww.iss.net/security_center/static/11751.phpRefwww.kb.cert.org/vuls/id/447569Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-011Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A136

How CyberStrike helps

Frequently asked questions

What is CVE-2003-0111?

CVE-2003-0111 is a high-severity vulnerability affecting microsoft virtual_machine. It was published on May 5, 2003 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2003-0111?

This vulnerability has a CVSS 2.0 base score of 7.5, 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-2003-0111?

Check the references section for vendor advisories and patches from microsoft. Update virtual_machine 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-2003-0111?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2003-0111 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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