CVE-2023-6269
Atos Unify Openscape Bcf authentication bypass
- Published5 Dec 2023
Description
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HAffected products
Remediation
Frequently asked
Is CVE-2023-6269 being actively exploited?
CVE-2023-6269 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.86%.
How severe is CVE-2023-6269?
CVE-2023-6269 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 1.86% probability of exploitation.
Which products are affected by CVE-2023-6269?
Affected products include Atos Unify Openscape Bcf, Atos Unify Openscape Branch, Atos Unify Openscape Session Border Controller.
How do I fix CVE-2023-6269?
Upgrade affected software to a fixed version, for example Atos Unify Openscape Bcf 10r10.12.00, Atos Unify Openscape Branch 10r3.4.0, Atos Unify Openscape Session Border Controller 10r3.4.0 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2023-6269 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.