SB2021080614 - openEuler update for tomcat
Published: August 6, 2021
Security Bulletin ID
SB2021080614
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2021-30640)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the JNDI Realm when processing authentication requests. A remote attacker can authenticate using variations of a valid user name and bypass some of the protection provided by the LockOut Realm.
Remediation
Install update from vendor's website.