SB2023021638 - Man-in-the-Middle (MitM) attack in IBM CICS TX Advanced
Published: February 16, 2023
Security Bulletin ID
SB2023021638
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) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2021-35550)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The vulnerability exists due to the JSSE component in Oracle GraalVM Enterprise Edition offers cipher suites in the wrong way, which causes weaker cipher suites to be offered ahead of the strong ones. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.
Remediation
Install update from vendor's website.