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CVE-2016-8644

20
FAUCET Score

CVE-2016-8644 describes a medium-severity vulnerability in Moodle versions 2.x and 3.x, where the system incorrectly checks permissions for viewing course notes. This flaw allows unauthorized access to course notes, leading to a potential information disclosure. The vulnerability has a CVSS score of 5.3, indicating a network-based attack with low complexity, requiring no user interaction, and resulting in low confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.7.16CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
2.8.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.8.0:*:*:*:*:*:*:*
2.8.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.8.1:*:*:*:*:*:*:*
2.8.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.8.2:*:*:*:*:*:*:*
2.8.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.8.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 39th percentile among its peer group of 23,684 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

moodle.org / mod/forum/discuss.php
PatchVendor Advisory
securityfocus.com / bid/94458
Third Party AdvisoryVDB Entry