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CVE-2004-1064

32
FAUCET Score

CVE-2004-1064 describes a critical vulnerability in PHP versions 4.x through 4.3.9 and 5.x through 5.0.2, where safe mode checks could be bypassed due to improper truncation of file paths before processing by the realpath function. This flaw allows attackers to circumvent PHP's safe mode, potentially leading to unauthorized access and execution. With a CVSS score of 10.0, this vulnerability is considered extremely severe, indicating a network-based attack with low complexity, requiring no authentication, and resulting in complete compromise of confidentiality, integrity, and availability. Despite its age, it has a FAUCET Risk Score of 93/100, highlighting its potential impact. While there is no evidence of active exploitation in the CISA KEV catalog, and no known public exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions, placing it in the top 1% of CVEs for community attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0.0, <= 4.3.9CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
>= 5.0.0, <= 5.0.2CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
4.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
3.74%
Probability of exploitation in next 30 days
EPSS Percentile
88.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0374 is in the 80th percentile among its peer group of 51,506 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2004-1064

CVE-2004-1064

References

distro.conectiva.com.br / atualizacoes
Broken Link
exchange.xforce.ibmcloud.com / vulnerabilities/18512
Third Party AdvisoryVDB Entry
ubuntu.com / usn/usn-99-1
Third Party Advisory
ubuntu.com / usn/usn-99-2
Third Party Advisory
gentoo.org / security/en/glsa/glsa-200412-14.xml
Third Party Advisory
hardened-php.net / advisories/012004.txt
Third Party Advisory
mandriva.com / security/advisories
Third Party Advisory
mandriva.com / security/advisories
Third Party Advisory
php.net / release_4_3_10.php
Release NotesVendor Advisory
securityfocus.com / advisories/9028
Third Party AdvisoryVDB Entry
securityfocus.com / archive/1/384545
Third Party AdvisoryVDB Entry
securityfocus.com / bid/11964
Third Party AdvisoryVDB Entry