CVE-2023-5548

Moodle: cache poisoning risk with endpoint revision numbers

MEDIUM
5.3
CVSS Score
Published: November 9, 2023 at 07:36 PM UTC
Updated: June 17, 2026 at 06:48 AM UTC
3 products affected across 2 vendorsFedoraMoodleExtra Packages for Enterprise Linux

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%

Description

Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.9.243.11.0 ≤ v < 3.11.174.0.0 ≤ v < 4.0.114.1.0 ≤ v < 4.1.64.2.0 ≤ v < 4.2.3
Affected range stops below 3.11.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.9.24, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.0.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-349CWE-345

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