CVE-2023-21890
CRITICALOracle Communications Converged Application Server <8.0.0 - RCE
Title source: llmDescription
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).
References (1)
Core 1
Core References
Patch, Vendor Advisory vendor-advisory
https://www.oracle.com/security-alerts/cpujan2023.html
Scores
CVSS v3
9.8
EPSS
0.0281
EPSS Percentile
86.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-94
Status
published
Products (2)
oracle/communications_converged_application_server
7.1.0
oracle/communications_converged_application_server
8.0.0
Published
Jan 18, 2023
Tracked Since
Feb 18, 2026