SB2026011961 - Multiple vulnerabilities in IBM CICS TX Advanced

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Main Vulnerability Database SB2026011961

SB2026011961 - Multiple vulnerabilities in IBM CICS TX Advanced

Published: January 19, 2026

Security Bulletin ID SB2026011961
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Use of insufficiently random values (CVE-ID: CVE-2020-36732)

CWE-ID: CWE-330 - Use of Insufficiently Random Values

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the application generates random numbers by concatenating the string "0." with an integer, which makes the output more predictable than necessary. A remote attacker can gain access to sensitive information.


2) Command Injection (CVE-ID: CVE-2025-7962)

CWE-ID: CWE-77 - Command injection

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to execute arbitrary SMTP commands on the system.

The vulnerability exists due to insufficient input validation when handling CR-LF characters in UTF-8 encoding. A remote attacker can pass specially crafted input to the application and execute arbitrary SMTP commands on the server.


Remediation

Install update from vendor's website.

References