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CVE-2001-0709

29
FAUCET Score

CVE-2001-0709 describes a vulnerability in Microsoft IIS 4.0 and earlier versions, specifically when installed on a FAT partition. An attacker can exploit this by using a Unicode-encoded URL to bypass security controls and gain unauthorized access to the source code of ASP files. This vulnerability carries a medium severity CVSS score of 5.0, indicating a network-based attack with low complexity, requiring no authentication, and primarily impacting confidentiality by exposing sensitive information. Despite its age and the potential for information disclosure, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and it has garnered no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*

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
35.56%
Probability of exploitation in next 30 days
EPSS Percentile
98.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.3556 is in the 98th 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

exchange.xforce.ibmcloud.com / vulnerabilities/6742
securityfocus.com / archive/1/192802
PatchVendor Advisory
securityfocus.com / bid/2909
PatchVendor Advisory