🛡️ CVE-2011-4203 — moodle

⚪ Unknown ✅ No Known Exploit CWE-113 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Moodle CRLF Injection Vulnerability in Calendar Component

CRLF injection vulnerability in calendar/set.php in the Calendar component in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, 2.1.x before 2.1.3, and 2.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via vectors involving the url variable.

Weakness class

CVE-2011-4203 is classified as CWE-113: HTTP Response Splitting. Unescaped input reaches an HTTP header, letting an attacker inject line breaks and forge additional headers or responses.

Affected software

CVE-2011-4203 is recorded against 1 package.

  • moodle/moodle (from 2.1 up to 2.1.3)

Timeline and source

Published on 13 May 2022 and last revised on 17 January 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Package)
moodle.org (Web)
penturalabs.wordpress.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-113
Public Exploit ✅ No
Source OSV
Published 2022-05-13
Updated 2026-08-12
Modified 2024-01-17
Fix URL N/A

Affected Packages

Software From version Fixed in
moodle/moodle 2.1 2.1.3

Similar Threats

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