Home/CVE/An issue was discovered in Moodle 3.x. By substituting URLs in portfolios, users can instantiate any class. This can als
CVE

CVE-2018-1137

An issue was discovered in Moodle 3.x. By substituting URLs in portfolios, users can instantiate any class. This can als

An issue was discovered in Moodle 3.x. By substituting URLs in portfolios, users can instantiate any class. This can also be exploited by users who are logged in as guests to create a DDoS attack.

HIGH · CVSS 8.1 EPSS 0.00266
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

4
moodle>= 3.1.0 and <= 3.1.11
moodle>= 3.2.0 and <= 3.2.8
moodle>= 3.3.0 and <= 3.3.5
moodle>= 3.4.0 and <= 3.4.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist moodle/moodle HIGH fixed in 3.1.12
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 May 2018 · 12:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/104307Third Party AdvisoryVDB Entry
https://moodle.org/mod/forum/discuss.php?d=371204Vendor Advisory
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