CVE-2005-3982

Exp

CRLF injection vulnerability in layers_toggle.php in WebCalendar 1.0.1 might allow remote attackers to modify HTTP headers and conduct HTTP response splitting attacks via the ret parameter, which is used to redirect URL requests.

Published: 2005-12-04 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-3982 is rated High Exploit Risk (72.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 16.48%, 94th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.63% over the last day, indicating growing attacker interest. 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-2005-3982

EDB-ID Source Kind Published Link
26691 exploit_db edb 2005-12-01 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-3982

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 2025-03-30 11.85% 16.48% +4.63%
2 2025-03-29 16.48% 11.85% -4.63%
3 2025-03-19 — 16.48% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3982

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-2005-3982

OS Trackers for CVE-2005-3982

vendor priority summary link
ubuntu medium CVE-2005-3982 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-2005-3982

Affected software / configurations for CVE-2005-3982

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

References for CVE-2005-3982

cvelogic Threat Intelligence