CVE-2000-0630

MEDIUMEPSS 99th pctl

5.0

CVSS v2

Description

IIS 4.0 and 5.0 allows remote attackers to obtain fragments of source code by appending a +.htr to the URL, a variant of the "File Fragment Reading via .HTR" vulnerability.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

68.44%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Other references3

Common questions

How do I fix CVE-2000-0630?

No published fix for CVE-2000-0630 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

Is CVE-2000-0630 being actively exploited?

Not that we know of. CVE-2000-0630 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 68.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 99% of all scored CVEs.

How severe is CVE-2000-0630?

CVE-2000-0630 has a CVSS v2 base score of 5.0, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.