SB2026012331 - IBM PowerVC update for Erlang/OTP
Published: January 23, 2026
Security Bulletin ID
SB2026012331
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Expected behavior violation (CVE-ID: CVE-2025-46712)
CWE-ID: CWE-440 - Expected Behavior Violation
CVSSv4: CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to OTP SSH fails to enforce strict kex handshake hardening measures by allowing optional messages to be exchanged. A remote attacker can perform a Man-in-the-Middle attack and inject these messages in a connection during the handshake.
Remediation
Install update from vendor's website.