CVE-2009-4038

Multiple cross-site scripting (XSS) vulnerabilities in NCH Software Axon Virtual PBX 2.10 and 2.11 allow remote attackers to inject arbitrary web script or HTML via the (1) onok or (2) oncancel parameter to the logon program. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Published: 2009-11-20 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4038 is rated Low Risk (36.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.32%). 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-2009-4038

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 2026-04-04 0.39% 0.32% -0.07%
2 2025-10-17 0.26% 0.39% +0.12%
3 2025-03-17 — 0.26% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4038

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2009-4038

Affected software / configurations for CVE-2009-4038

Vendor Product Version Raw CPE
nch axon_virtual_pbx 2.10 cpe:2.3:a:nch:axon_virtual_pbx:2.10:*:*:*:*:*:*:*
nch axon_virtual_pbx 2.11 cpe:2.3:a:nch:axon_virtual_pbx:2.11:*:*:*:*:*:*:*

References for CVE-2009-4038

cvelogic Threat Intelligence