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CVE-2018-1134

21
FAUCET Score

CVE-2018-1134 is a medium-severity vulnerability affecting Moodle 3.x, where students can download any stored Moodle file. This is achieved by manipulating the download URL when exporting submitted assignments to portfolios. The attack requires low privileges and network access, potentially leading to high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.1.0, <= 3.1.11CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.2.0, <= 3.2.8CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.3.0, <= 3.3.5CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.4.0, <= 3.4.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 73rd percentile among its peer group of 21,977 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.1.12
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.2.9
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.3.6
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.4.3

Vendor Advisories (1)

composerGHSA-xjx9-7c29-pwmmmedium

Moodle Improper Privilege Management

May 13, 2022

References

moodle.org / mod/forum/discuss.php
PatchVendor Advisory
securityfocus.com / bid/104307
Third Party AdvisoryVDB Entry