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CVE-2001-0766

44
FAUCET Score

CVE-2001-0766 describes a critical vulnerability in Apache on MacOS X Client 10.0.3 using the HFS+ file system, allowing remote attackers to bypass access restrictions. This is achieved by crafting URLs with case-mismatched characters that Apache's filters fail to properly process. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, an ExploitDB entry exists, and it garners significant community discussion, indicating potential exploitability.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.14CPE matchmatch criteria
cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.16%
Probability of exploitation in next 30 days
EPSS Percentile
94.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-20911 · Jun 10, 2001
This CVE's current EPSS score of 0.0816 is in the 90th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/bugtraq/2001-06/0090.html
Broken LinkPatchVendor Advisory
securityfocus.com / bid/2852
Broken LinkExploitPatchThird Party AdvisoryVDB EntryVendor Advisory