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CVE-2000-0457

UnknownEPSS 52.75%

Last modified

CVE-2000-0457 is a vulnerability of currently unknown severity. ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.. EPSS estimates a 52.75% chance of exploitation in the next 30 days.

Description

ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.

Metrics

EPSS Probability
52.75%

98.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MicrosoftInternet Information Server4.0
MicrosoftInternet Information Services5.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2000-0457?
ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.
How severe is CVE-2000-0457?
Severity scoring for CVE-2000-0457 is pending analysis. The EPSS model estimates a 52.75% probability of exploitation in the next 30 days.
How do I fix CVE-2000-0457?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST