CVE-2005-4261

Unspecified vulnerability in Positive Software Corporation CP+ (cpplus) before 2.5.5 allows attackers to have unknown impact and attack vectors, related to "a possible security flaw caused by a bug in Perl." NOTE: unless CP+ includes its own copy of Perl with CVE-2005-3962, this is a different vulnerability than CVE-2005-3962; however, there is insufficient information to be sure.

Published: 2005-12-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-4261 is rated Moderate Risk (58.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.69%). Review affected assets and schedule remediation.

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-2005-4261

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 0.71% 1.69% +0.97%
2 2025-03-19 0.63% 0.71% +0.09%
3 2025-03-17 — 0.63% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4261

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2005-4261

Affected software / configurations for CVE-2005-4261

Vendor Product Version Raw CPE
positive_software cp\+ 2.5 cpe:2.3:a:positive_software:cp\+:2.5:*:*:*:*:*:*:*
positive_software cp\+ 2.5.1 cpe:2.3:a:positive_software:cp\+:2.5.1:*:*:*:*:*:*:*
positive_software cp\+ 2.5.2 cpe:2.3:a:positive_software:cp\+:2.5.2:*:*:*:*:*:*:*
positive_software cp\+ 2.5.3 cpe:2.3:a:positive_software:cp\+:2.5.3:*:*:*:*:*:*:*
positive_software cp\+ 2.5.4 cpe:2.3:a:positive_software:cp\+:2.5.4:*:*:*:*:*:*:*
positive_software cp\+ 2.5.5 cpe:2.3:a:positive_software:cp\+:2.5.5:*:*:*:*:*:*:*

References for CVE-2005-4261

cvelogic Threat Intelligence