RCE in Oracle Communications Converged Application Server
CVE-2023-21890
Vulnerability in the Oracle Communications Converged Application Server product of Oracle Communications (component: Core). Supported versions that are affected are 7.1.0 and 8.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via UDP to compromise Oracle Communications Converged Application Server. Successful attacks of this vulnerability can result in takeover of Oracle Communications Converged Application Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.008 (56.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Oracle Communications_converged_application_server — versions 7.1.0, 8.0.0
- Oracle Corporation Communications Converged Application Server — versions 7.1.0, 8.0.0
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21890?
- CVE-2023-21890 is a critical-severity vulnerability in Oracle Communications Converged Application Server, classified under Code Injection. CVSS score: 9.8/10. Published 2023-01-18.
- How severe is CVE-2023-21890?
- Critical severity. CVSS v3 base score is 9.8 out of 10.