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CVE-2007-2509

12
FAUCET Score

CVE-2007-2509 describes a CRLF injection vulnerability within the ftp_putcmd function in PHP versions prior to 4.4.7 and 5.2.2. This flaw allows remote attackers to inject arbitrary FTP commands by embedding carriage return and line feed sequences into parameters of earlier FTP commands. The vulnerability has a low CVSS score of 2.6, indicating a network-based attack with high attack complexity and only a partial impact on integrity, with no impact on confidentiality or availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.0CPE matchmatch criteria
cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:php:php:4.0.1:patch1:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:php:php:4.0.1:patch2:*:*:*:*:*:*
4.0.2CPE matchmatch criteria
cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.07%
Probability of exploitation in next 30 days
EPSS Percentile
79.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0207 is in the 74th percentile among its peer group of 1,506 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 0.3 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

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: php-0:4.1.2-2.19
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: php-0:4.3.2-43.ent
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: php-0:4.3.9-3.22.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: php-0:5.1.6-12.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Web Application Stack for RHEL 4Fixed in: php-0:5.1.6-3.el4s1.7
View patch

Vendor Advisories (1)

redhatCVE-2007-2509Low

php CRLF injection

May 3, 2007

References

lists.opensuse.org / opensuse-security-announce/2007-07/msg00006.html
rhn.redhat.com / errata/RHSA-2007-0889.html
secunia.com / advisories/25187
Vendor Advisory
secunia.com / advisories/25191
Vendor Advisory
secunia.com / advisories/25255
Vendor Advisory
secunia.com / advisories/25318
Vendor Advisory
secunia.com / advisories/25365
secunia.com / advisories/25372
secunia.com / advisories/25445
secunia.com / advisories/25660
secunia.com / advisories/26048
secunia.com / advisories/26967
secunia.com / advisories/27351
security.gentoo.org / glsa/glsa-200705-19.xml
securityreason.com / securityalert/2672
exchange.xforce.ibmcloud.com / vulnerabilities/34413
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10839
rhn.redhat.com / errata/RHSA-2007-0348.html
support.avaya.com / elmodocs2/security/ASA-2007-231.htm
us2.php.net / releases/4_4_7.php
us2.php.net / releases/5_2_2.php
debian.org / security/2007/dsa-1295
debian.org / security/2007/dsa-1296
mandriva.com / security/advisories
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2007-0349.html
redhat.com / support/errata/RHSA-2007-0355.html
redhat.com / support/errata/RHSA-2007-0888.html
securityfocus.com / archive/1/463596/100/0/threaded
securityfocus.com / bid/23813
securityfocus.com / bid/23818
Patch
securitytracker.com / id
trustix.org / errata/2007/0017
ubuntu.com / usn/usn-462-1
vupen.com / english/advisories/2007/2187