SB2021051175 - Input validation error in Synapse
Published: May 11, 2021 Updated: May 4, 2026
Security Bulletin ID
SB2021051175
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: N/A)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in third-party identifier confirmation endpoints when handling crafted parameter values. A remote attacker can send specially crafted requests to cause a denial of service.
The issue can lead to excessive use of disk space and memory through resource exhaustion.
Remediation
Install update from vendor's website.