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CVE-2006-1017

24
FAUCET Score

CVE-2006-1017 describes a critical vulnerability in the c-client library used by PHP versions before 4.4.4 and 5.x before 5.1.5. This flaw allows remote attackers to bypass safe_mode and open_basedir restrictions when applications accept user-controlled input for the imap_open function's mailbox argument. With a CVSS score of 9.3, this vulnerability is highly severe, indicating a network-based attack with medium complexity that can lead to complete compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
3.0.4CPE matchmatch criteria
cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.03%
Probability of exploitation in next 30 days
EPSS Percentile
86.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0303 is in the 45th percentile among its peer group of 8,915 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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-2006-1017

CVE-2006-1017

References

bugs.php.net / bug.php
secunia.com / advisories/18694
Vendor Advisory
secunia.com / advisories/21050
Vendor Advisory
secunia.com / advisories/21546
Vendor Advisory
securityreason.com / securityalert/516
exchange.xforce.ibmcloud.com / vulnerabilities/24964
mandriva.com / security/advisories
osvdb.org / 23535
php.net / ChangeLog-5.php
php.net / release_5_1_5.php
securityfocus.com / archive/1/426339/100/0/threaded
vupen.com / english/advisories/2006/0772
Vendor Advisory