Input validation error in parse-server - CVE-2019-1020012
Published: June 13, 2019 / Updated: May 23, 2026
Vulnerability identifier: #VU132206
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1020012
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the /parse/classes/_Audience endpoint when handling POST requests to volatile classes. A remote attacker can send a POST request to trigger persistent internal server errors on subsequent POST requests.
The issue can affect other volatile classes in addition to _Audience.
Affected software
parse-server
How to mitigate CVE-2019-1020012
Install security update from vendor's website.
parse-server - update to 3.4.1