Vulnerability CVE-2021-39187
Published: 2021-09-02

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.

Type:

CWE-755

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Parseplatform -> Parse-server 

 References:
https://jira.mongodb.org/browse/NODE-3463
https://github.com/parse-community/parse-server/commit/308668c89474223e2448be92d6823b52c1c313ec
https://github.com/parse-community/parse-server/releases/tag/4.10.3
https://github.com/parse-community/parse-server/security/advisories/GHSA-xqp8-w826-hh6x
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