SB2019061315 - Input validation error in parse-server
Published: June 13, 2019 Updated: May 23, 2026
Security Bulletin ID
SB2019061315
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2019-1020012)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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/E:U/U:Green
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.
Remediation
Install update from vendor's website.