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CVE-2001-0042

31
FAUCET Score

CVE-2001-0042 describes a directory traversal vulnerability in PHP 3.x running on Apache 1.3.6. This flaw allows remote, unauthenticated attackers to read arbitrary files on the server by manipulating file paths with encoded backslash sequences (%5c) in a dot-dot attack. The vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity, resulting in partial confidentiality impact. While not listed in CISA KEV, an ExploitDB entry (EDB-20466) exists, and the CVE has garnered significant community discussion with 10 mentions, suggesting awareness and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
1.3CPE matchmatch criteria
cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:*

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
8.60%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-20466 · Dec 6, 2000
This CVE's current EPSS score of 0.0860 is in the 93rd percentile among its peer group of 23,705 CVEs.

Social Chatter

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/5659
securityfocus.com / archive/1/149210
ExploitVendor Advisory
securityfocus.com / bid/2060
ExploitVendor Advisory