CVE-2000-0258

HIGHCVSS 7.5/10EPSS 19.61%

Last modified

CVE-2000-0258 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters" Vulnerability.. EPSS estimates a 19.61% chance of exploitation in the next 30 days.

Description

IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters" Vulnerability.

Metrics

CVSS 3.0
7.5/10

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
19.61%

97.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftInternet Information Server4.0
MicrosoftInternet Information Services5.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2000-0258?
IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters" Vulnerability.
How severe is CVE-2000-0258?
CVE-2000-0258 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 19.61% probability of exploitation in the next 30 days.
How do I fix CVE-2000-0258?
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.

Are you affected by CVE-2000-0258?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST