CVE-2009-0315

Untrusted search path vulnerability in the Python module in xchat allows local users to execute arbitrary code via a Trojan horse Python file in the current working directory, related to a vulnerability in the PySys_SetArgv function (CVE-2008-5983).

Published: 2009-01-28 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0315 is rated Low Risk (37.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.37%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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

Exploit prediction scoring system (EPSS) score for CVE-2009-0315

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 0.22% 0.37% +0.16%
2 2026-04-12 0.06% 0.22% +0.16%
3 2025-03-17 — 0.06% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0315

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.4 10.0 [email protected]

Weakness enumeration for CVE-2009-0315

OS Trackers for CVE-2009-0315

vendor priority summary link
redhat low — https://access.redhat.com/security/cve/CVE-2009-0315
ubuntu low CVE-2009-0315 low priority: Ubuntu including 1 source packages (xchat), 8 status rows across 8 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, upstream): ignored 3, not-affected 3, released 2. https://ubuntu.com/security/CVE-2009-0315

Affected software / configurations for CVE-2009-0315

Vendor Product Version Raw CPE
xchat xchat — cpe:2.3:a:xchat:xchat:*:*:*:*:*:*:*:*

References for CVE-2009-0315

cvelogic Threat Intelligence