CVE-2021-2416

MEDIUM

Oracle Communications Session Border Controller 8.4-9.0 - DoS

Title source: llm
STIX 2.1

Description

Vulnerability in the Oracle Communications Session Border Controller product of Oracle Communications (component: Routing). Supported versions that are affected are 8.4 and 9.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Communications Session Border Controller. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Communications Session Border Controller. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

References (1)

Core 1
Core References

Scores

CVSS v3 4.9
EPSS 0.0021
EPSS Percentile 43.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (2)
oracle/communications_session_border_controller 8.4
oracle/communications_session_border_controller 9.0
Published Oct 20, 2021
Tracked Since Feb 18, 2026