CVE-2006-2156

Exp

Directory traversal vulnerability in help/index.php in X7 Chat 2.0 and earlier allows remote attackers to include arbitrary files via .. (dot dot) sequences in the help_file parameter.

Published: 2006-05-03 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-2156 is rated High Exploit Risk (68.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.92%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-2156

EDB-ID Source Kind Published Link
1738 exploit_db edb 2006-05-02 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-2156

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 13.67% 7.92% -5.75%
2 2025-03-30 17.41% 13.67% -3.74%
3 2025-03-29 — 17.41% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-2156

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2006-2156

Affected software / configurations for CVE-2006-2156

Vendor Product Version Raw CPE
x7_group x7_chat 1.3.2b cpe:2.3:a:x7_group:x7_chat:1.3.2b:*:*:*:*:*:*:*
x7_group x7_chat 1.3.3b cpe:2.3:a:x7_group:x7_chat:1.3.3b:*:*:*:*:*:*:*
x7_group x7_chat 1.3.4b cpe:2.3:a:x7_group:x7_chat:1.3.4b:*:*:*:*:*:*:*
x7_group x7_chat 1.3.5b cpe:2.3:a:x7_group:x7_chat:1.3.5b:*:*:*:*:*:*:*
x7_group x7_chat 1.3.6 cpe:2.3:a:x7_group:x7_chat:1.3.6:*:*:*:*:*:*:*
x7_group x7_chat 2.0 cpe:2.3:a:x7_group:x7_chat:2.0:*:*:*:*:*:*:*

References for CVE-2006-2156

cvelogic Threat Intelligence