CVE-2022-40208

MEDIUMNVD 4.34.3—

4.3

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 37.8%
KEV: Not listed

Published

March 24, 2023

Last Modified

February 20, 2025

References (2)

secalert@redhathttps://moodle.org/mod/forum/discuss.php?d=438761
af854a3a-2127-422b-91ae-364da2661108https://moodle.org/mod/forum/discuss.php?d=438761

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
moodle/moodle	v2.3.10 ... v3.9.9 (263 versions)	3.9.16	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-285Improper Authorization

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 04:41 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-40208?

CVE-2022-40208 is a medium vulnerability published on March 24, 2023. In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

When was CVE-2022-40208 disclosed?

CVE-2022-40208 was first published in the National Vulnerability Database on March 24, 2023, with the most recent update on February 20, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-40208 actively exploited?

CVE-2022-40208 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-40208?

CVE-2022-40208 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2022-40208?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-40208, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-40208

📅 Published

🔄 Last Modified

🔗 References (2)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-40208?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)