CVE-2019-20924

MEDIUMNVD 6.56.5—

6.5

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries which trigger an invariant in the IndexBoundsBuilder. This issue affects MongoDB Server v4.2 versions prior to 4.2.2.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 62.6%
KEV: Not listed

Published

November 23, 2020

Last Modified

November 21, 2024

References (2)

cna@mongodbhttps://jira.mongodb.org/browse/SERVER-44377
af854a3a-2127-422b-91ae-364da2661108https://jira.mongodb.org/browse/SERVER-44377

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 18× 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 20:11 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 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 04:59 UTCEG score recompute
2026-05-23 04:58 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2019-20924?

CVE-2019-20924 is a medium vulnerability published on November 23, 2020. A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries which trigger an invariant in the IndexBoundsBuilder. This issue affects MongoDB Server v4.2 versions prior to 4.2.2.

When was CVE-2019-20924 disclosed?

CVE-2019-20924 was first published in the National Vulnerability Database on November 23, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-20924 actively exploited?

CVE-2019-20924 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-20924?

CVE-2019-20924 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2019-20924?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-20924, 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-2019-20924

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-20924?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)