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CVE-2003-0526

6.8 · MEDIUM

Cross-site scripting (XSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to inject arbitrary web script via a URL containing the script in…

Published Aug 18, 2003microsoftEPSS 22.47%

Overview

CVE-2003-0526 is a medium-severity vulnerability affecting microsoft isa_server. It was published on August 18, 2003 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Cross-site scripting (XSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to inject arbitrary web script via a URL containing the script in the domain name portion, which is not properly cleansed in the default error pages (1) 500.htm for "500 Internal Server error" or (2) 404.htm for "404 Not Found."

Remediation

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

Refarchives.neohapsis.com/archives/vulnwatch/2003-q3/0029.htmlRefarchives.neohapsis.com/archives/vulnwatch/2003-q3/0031.htmlRefmarc.info/?l=bugtraq&m=105838519729525&w=2Refmarc.info/?l=bugtraq&m=105838862201266&w=2Refmarc.info/?l=ntbugtraq&m=105838590030409&w=2Refpivx.com/larholm/adv/TL006Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-028Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A117Refarchives.neohapsis.com/archives/vulnwatch/2003-q3/0029.htmlRefarchives.neohapsis.com/archives/vulnwatch/2003-q3/0031.html

How CyberStrike helps

Frequently asked questions

What is CVE-2003-0526?

CVE-2003-0526 is a medium-severity vulnerability affecting microsoft isa_server. It was published on August 18, 2003 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2003-0526?

This vulnerability has a CVSS 2.0 base score of 6.8, 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-2003-0526?

Check the references section for vendor advisories and patches from microsoft. Update isa_server 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-2003-0526?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2003-0526 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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