Vulnerability DatabaseCVE-2023-40317
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CVE-2023-40317
Published:May 15, 2026
Updated:May 15, 2026
moodle: remote code execution when parsing malformed file repository reference
Affected Packages
moodle/moodle (PHP):
Affected version(s) >=v3.9.13 <v3.9.15
Fix Suggestion:
Update to version v3.9.15
moodle/moodle (PHP):
Affected version(s) >=v4.2.0-beta <v4.2.2
Fix Suggestion:
Update to version v4.2.2
moodle/moodle (PHP):
Affected version(s) >=v4.0.0-rc2 <v4.0.10
Fix Suggestion:
Update to version v4.0.10
moodle/moodle (PHP):
Affected version(s) >=v3.9.16 <v3.9.23
Fix Suggestion:
Update to version v3.9.23
agattitech/moodle_boilerplate (PHP):
Affected version(s) >=dev-master <=3.9.20
Fix Suggestion:
Update to version no_fix
moodle/moodle (PHP):
Affected version(s) =dev-MOODLE_310_STABLE <dev-MOODLE_311_STABLE
Fix Suggestion:
Update to version dev-MOODLE_311_STABLE
moodle/moodle (PHP):
Affected version(s) =v4.0.0-beta <v4.0.0-rc1
Fix Suggestion:
Update to version v4.0.0-rc1
drakeba/moodle-core (PHP):
Affected version(s) >=dev-bamaster <=4.1.1
Fix Suggestion:
Update to version no_fix
moodle/moodle (PHP):
Affected version(s) >=v4.1.0-beta <v4.1.5
Fix Suggestion:
Update to version v4.1.5
moodle/moodle (PHP):
Affected version(s) >=v3.10.0-beta <v3.10.6
Fix Suggestion:
Update to version v3.10.6
moodle/moodle (PHP):
Affected version(s) >=v3.9.0-beta <v3.9.9
Fix Suggestion:
Update to version v3.9.9
moodle/moodle (PHP):
Affected version(s) >=v3.10.10 <v3.11.2
Fix Suggestion:
Update to version v3.11.2
moodle/moodle (PHP):
Affected version(s) >=v3.11.6 <v3.11.16
Fix Suggestion:
Update to version v3.11.16
Related Resources (2)
https://github.com/moodle/moodle/commit/b78663083fbcd10484af706647feb626ba2a9fd4
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-40317
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH