CVE-2001-0724

no score yetEPSS 12%

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.

EPSS: 12% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
Published: 2001-11-14
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

microsoft:internet_explorer

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

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