CVE-2021-39187

moderate-risk
Published 2021-09-02

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.

Do I need to act?

-
0.66% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Parseplatform

References (8)

Patch https://github.com/parse-community/parse-server/commit/308668c89474223e2448be92d...
Third Party Advisory https://github.com/parse-community/parse-server/releases/tag/4.10.3
Third Party Advisory https://github.com/parse-community/parse-server/security/advisories/GHSA-xqp8-w8...
Patch https://jira.mongodb.org/browse/NODE-3463
Patch https://github.com/parse-community/parse-server/commit/308668c89474223e2448be92d...
Third Party Advisory https://github.com/parse-community/parse-server/releases/tag/4.10.3
Third Party Advisory https://github.com/parse-community/parse-server/security/advisories/GHSA-xqp8-w8...
Patch https://jira.mongodb.org/browse/NODE-3463
33
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal