CVE-2021-39187

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to version 4.10.3, Parse Server crashes when if a query request contains an invalid value for the `explain` option. This is due to a bug in the MongoDB Node.js driver which throws an exception that Parse Server cannot catch. There is a patch for this issue in version 4.10.3. No workarounds aside from upgrading are known to exist.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-74 CWE-755

Affected software

No affected versions have been published.

Timeline

Published: Sep 2, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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