Cyber Resilience

CVE-2024-33996

Medium

Published: 31 May 2024

Published
31 May 2024
Modified
30 May 2025
KEV Added
Patch
CVSS Score v3.1 6.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N
EPSS Score 0.0018 38.8th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-33996 is a medium-severity Improper Input Validation (CWE-20) vulnerability in Moodle Moodle. Its CVSS base score is 6.2 (Medium).

Operationally, ranked at the 38.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish to.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

moodle
moodle
≤ 4.1.10 · 4.2.0 — 4.2.7 · 4.3.0 — 4.3.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References