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CVE-2006-4936

25
FAUCET Score

CVE-2006-4936 describes a critical vulnerability in Moodle versions prior to 1.6.2, where improper validation of the module instance ID during course module object creation allows for remote attacks with unspecified impact. This vulnerability carries a CVSS score of 10.0, indicating a severe risk with network-based attack vectors, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been identified, its high FAUCET Risk Score of 80/100 underscores its potential severity.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.6.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
1.6.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:1.6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.48%
Probability of exploitation in next 30 days
EPSS Percentile
71.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0148 is in the 53rd percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 1.6.2

Vendor Advisories (1)

composerGHSA-h9w8-4376-j344medium

Moodle does not properly validate module instance id

May 1, 2022

References

docs.moodle.org / en/Release_notes