Improper input validation in Communications Unified Assurance - CVE-2021-42576
Published: November 10, 2026
Vulnerability identifier: #VU163364
CSH Severity: Medium
CVSS v4: 8.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42576
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to improper input validation within the Core (bluemonday) component in Oracle Communications Unified Assurance. A remote privileged user can exploit this vulnerability to execute arbitrary code.
Affected software
Communications Unified Assurance
How to mitigate CVE-2021-42576
Install updates from vendor's website.