How severe is CVE-2019-10758?

CVE-2019-10758 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-10758 being actively exploited?

Yes. CVE-2019-10758 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-12-10, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2019-10758?

CVE-2019-10758 affects Mongo-express Project Mongo-express. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-10758?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2019-10758 have an EU (EUVD) identifier?

Yes. CVE-2019-10758 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-0791. It is also flagged as exploited in the EUVD (since 2021-12-10).

When was CVE-2019-10758 published?

CVE-2019-10758 was published on 2019-12-24 and last updated on 2026-06-17.

CVE-2019-10758

CVE-2019-10758 is a critical-severity vulnerability in Mongo-express Project Mongo-express with a CVSS 3.x base score of 9.9. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-12-10). The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v2: 9.0
EPSS exploit prediction: 85% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2021-12-10)
EU (EUVD) id: EUVD-2019-0791
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-12-10)
Weakness: CWE-94
Affected product: Mongo-express Project Mongo-express
Published: 2019-12-24
Last modified: 2026-06-17

Description

mongo-express before 0.54.0 is vulnerable to Remote Code Execution via endpoints that uses the `toBSON` method. A misuse of the `vm` dependency to perform `exec` commands in a non-safe environment.

Frequently asked questions

What is CVE-2019-10758?: mongo-express before 0.54.0 is vulnerable to Remote Code Execution via endpoints that uses the `toBSON` method. A misuse of the `vm` dependency to perform `exec` commands in a non-safe environment.
How severe is CVE-2019-10758?: CVE-2019-10758 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-10758 being actively exploited?: Yes. CVE-2019-10758 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-12-10, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2019-10758?: CVE-2019-10758 affects Mongo-express Project Mongo-express. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-10758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2019-10758 have an EU (EUVD) identifier?: Yes. CVE-2019-10758 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-0791. It is also flagged as exploited in the EUVD (since 2021-12-10).
When was CVE-2019-10758 published?: CVE-2019-10758 was published on 2019-12-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mongo-express_project:mongo-express:*:*:*:*:*:node.js:*:*

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