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Vulnerability record · CVE-2021-23372 · published 13 April 2021

CVE-2021-23372: Mongo-express project mongo-express vulnerability

MMongo Express Project · Mongo Express

All versions of package mongo-express are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.

7.5 CVSS 3.1 High EPSS 0.88% · top 42.6% CWE-754 · CWE-754
7.5CVSS 3.1 base score, v2 5.0
0.88%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

All versions of package mongo-express are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://snyk.io/vuln/SNYK-JS-MONGOEXPRESS-1085403 Third Party Advisory
https://snyk.io/vuln/SNYK-JS-MONGOEXPRESS-1085403 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-23372), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.