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Fencer Vulns
medium 6.4

CVE-2000-0024 json

IIS does not properly canonicalize URLs, potentially allowing remote attackers to bypass access restrictions in third-party software via es…

published 1999-12-21 26 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0024

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.2%
EPSS 12.2% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

IIS does not properly canonicalize URLs, potentially allowing remote attackers to bypass access restrictions in third-party software via escape characters, aka the "Escape Character Parsing" vulnerability.

Exploit prediction

12.22% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.