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CVE-2018-1135

21
FAUCET Score

CVE-2018-1135 is a medium-severity vulnerability affecting Moodle 3.x, allowing students to download any stored Moodle file. By manipulating the download URL during the forum post export-to-portfolio process, an authenticated attacker can achieve high confidentiality impact without user interaction. While the vulnerability has a CVSS score of 6.5, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

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
1.20%
Probability of exploitation in next 30 days
EPSS Percentile
65.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0120 is in the 79th percentile among its peer group of 21,958 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-vxmv-74rf-vqgpmedium

Moodle Portfolio forum caller class allows a user to download any file

May 14, 2022

References

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