CVE-2011-4203 describes a CRLF injection vulnerability in the Calendar component of Moodle versions 1.9.x, 2.0.x, 2.1.x, and 2.2. This flaw allows remote attackers to inject arbitrary HTTP headers and perform HTTP response splitting attacks by manipulating the 'url' variable. With a CVSS score of 5.0 (medium severity), it is easily exploitable over the network without authentication, potentially leading to information integrity compromise. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.9.1CPE matchmatch criteria | cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:* | ||
1.9.2CPE matchmatch criteria | cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:* | ||
1.9.3CPE matchmatch criteria | cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:* | ||
1.9.4CPE matchmatch criteria | cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:* | ||
1.9.5CPE matchmatch criteria | cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:N
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