SB2021051961 - Fedora 34 update for php-symfony3
Published: May 19, 2021
Security Bulletin ID
SB2021051961
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Observable response discrepancy (CVE-ID: CVE-2021-21424)
The vulnerability allows a remote attacker to enumerate application users.
The vulnerability exists due to application returns different responses based on presence of user account name in application database. A remote attacker enumerate application users.
Remediation
Install update from vendor's website.