CVE-2021-2416

MEDIUM 4.9CVE-2021-2416 · Published 20/10/2021 · updated 17/06/2026

In short

CVE-2021-2416 is a MEDIUM (CVSS 4.9) vulnerability affecting communications session border controller (oracle).
Chance of exploitation in the next 30 days (EPSS): 0.93%, higher than 60.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
communications session border controller oracle	`= 8.4= 9.0`	No fix yet

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

oracle.com/security-alerts/cpuoct2021.html · Vendor Advisory

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Package

Affected versions

Patched versions

communications session border controller

oracle

= 8.4= 9.0

No fix yet

Description

More vulnerabilities in communications session border controller

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