CVE-2005-3961

export_handler.php in WebCalendar 1.0.1 allows remote attackers to overwrite WebCalendar data files via a modified id parameter.

Published: 2005-12-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3961 is rated Moderate Risk (48.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.47%). Mandatory action: 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-2005-3961

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 2025-04-25 1.34% 1.47% +0.12%
2 2025-03-30 1.92% 1.34% -0.57%
3 2025-03-29 1.92%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3961

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2005-3961

OS Trackers for CVE-2005-3961

vendor priority summary link
ubuntu medium CVE-2005-3961 medium priority: Ubuntu including 1 source packages (webcalendar), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 2, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2005-3961

Affected software / configurations for CVE-2005-3961

Vendor Product Version Raw CPE
webcalendar webcalendar 1.0.1 cpe:2.3:a:webcalendar:webcalendar:1.0.1:*:*:*:*:*:*:*

References for CVE-2005-3961

cvelogic Threat Intelligence