Improper Encoding or Escaping of Output in IBM API Connect - CVE-2021-38997
Published: March 26, 2025
Vulnerability identifier: #VU106056
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-38997
CWE-ID: CWE-116
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to the improper validation of input by the HOST headers. A remote user can gain unauthorized access to sensitive information on the system.
Affected software
IBM API Connect
How to mitigate CVE-2021-38997
Install updates from vendor's website.
IBM API Connect - addressed in versions 10.0.1.8, 10.0.5.1, 2018.4.1.20