CVE-2011-4586 describes a CRLF injection vulnerability in the Calendar subsystem of Moodle versions 1.9.x, 2.0.x, and 2.1.x, specifically within the calendar/set.php component. This flaw allows remote attackers to inject arbitrary HTTP headers, leading to HTTP response splitting attacks. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having a low attack complexity, potentially impacting data integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| 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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.