CVE-2023-6269

Argument injection vulnerability in Atos Unify OpenScape Session Border Controller, Atos Unify OpenScape Branch and Atos Unify OpenScape BCF

10.0 Critical

An argument injection vulnerability has been identified in the administrative web interface of the Atos Unify OpenScape products "Session Border Controller" (SBC) and "Branch", before version V10 R3.4.0, and OpenScape "BCF" before versions V10R10.12.00 and V10R11.05.02. This allows an unauthenticated attacker to gain root access to the appliance via SSH (scope change) and also bypass authentication for the administrative interface and gain access as an arbitrary (administrative) user.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.86%Up 1.8 points since Dec 5, 2023

What each source reports

CVE List Score used 10.0

Argument injection vulnerability in Atos Unify OpenScape Session Border Controller, Atos Unify OpenScape Branch and Atos Unify OpenScape BCF

Record: CVE-2023-6269
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-88
Updated: 2026-11-02

EUVDEUVD-2023-58513 10.0

Record: EUVD-2023-58513
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xx5w-j8g7-4v5f 10.0

An argument injection vulnerability has been identified in the administrative web interface of...

Record: GHSA-xx5w-j8g7-4v5f
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-88
Updated: 2026-11-02

NVD 10.0

Record: CVE-2023-6269
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-88
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-6269 is a critical vulnerability (CVSS 10.0) in Atos Unify Openscape Bcf, published December 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.86%, the 79th percentile. No source names a fixed version.