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Case File

CVE-2011-4586

MEDIUM · CVSS 5 EPSS 2.10%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-07-20 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. It may be remotely exploitable.

CVE
CVE-2011-4586
Severity
MEDIUM
CVSS
5
EPSS
2.10%

Original NVD Description

CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.