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CVE-2001-0724

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-04-02 · updated 2026-06-16

Description

Internet Explorer 5.5 allows remote attackers to bypass security restrictions via malformed URLs that contain dotless IP addresses, which causes Internet Explorer to process the page in the Intranet Zone, which may have fewer security restrictions, aka the "Zone Spoofing Vulnerability variant" of CVE-2001-0664.

Affected products

• Microsoft Internet Explorer 11: 5.5

References

• http://www.osvdb.org/5556
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-055
• https://exchange.xforce.ibmcloud.com/vulnerabilities/8471
• http://www.osvdb.org/5556
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-055
• https://exchange.xforce.ibmcloud.com/vulnerabilities/8471

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