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CVE-2000-0630

58
FAUCET Score

CVE-2000-0630 describes a vulnerability in Microsoft IIS 4.0 and 5.0 that allows remote attackers to obtain fragments of source code. This is achieved by appending '.htr' to a URL, a variant of the "File Fragment Reading via .HTR" vulnerability. Rated with a CVSS score of 5.0 (Medium), this flaw is easily exploitable over the network with low attack complexity and no authentication required, potentially leading to information disclosure. While not listed in CISA's KEV catalog, exploit code is publicly available, and its EPSS score indicates a higher-than-average likelihood of exploitation. Despite its age and public exploit, there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
66.71%
Probability of exploitation in next 30 days
EPSS Percentile
99.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-20089 · Jul 17, 2000
This CVE's current EPSS score of 0.6671 is in the 99th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2000/ms00-044
exchange.xforce.ibmcloud.com / vulnerabilities/5104
securityfocus.com / bid/1488