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CVE-2004-0503

5.0 · MEDIUM

Microsoft Outlook 2003 allows remote attackers to bypass the default zone restrictions and execute script within media files via a Rich Text Format (RTF) message containing an OLE object for the Wi…

Published Aug 18, 2004microsoftEPSS 11.45%

Overview

CVE-2004-0503 is a medium-severity vulnerability affecting microsoft outlook. It was published on August 18, 2004 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Microsoft Outlook 2003 allows remote attackers to bypass the default zone restrictions and execute script within media files via a Rich Text Format (RTF) message containing an OLE object for the Windows Media Player, which bypasses Media Player's setting to disallow scripting and may lead to unprompted installation of an executable when exploited in conjunction with predictable-file-location exposures such as CVE-2004-0502.

Remediation

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

Frequently asked questions

What is CVE-2004-0503?

CVE-2004-0503 is a medium-severity vulnerability affecting microsoft outlook. It was published on August 18, 2004 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2004-0503?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2004-0503?

Check the references section for vendor advisories and patches from microsoft. Update outlook 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-2004-0503?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2004-0503 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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