What is CVE-2023-40263?

CVE-2023-40263 is a high-severity vulnerability in Unify Openscape Voice Trace Manager, classified under Command Injection. CVSS score: 8.8/10. Published 2024-02-08.

How severe is CVE-2023-40263?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Unify Openscape Voice Trace Manager

CVE-2023-40263

An issue was discovered in Atos Unify OpenScape Voice Trace Manager V8 before V8 R0.9.11. It allows authenticated command injection via ftp.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-02-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.9th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Unify Openscape Voice Trace Manager — versions 8.0

Weakness classification (CWE)

CWE-77 — Command Injection

References

networks.unify.com/security/advisories/OBSO-2305-02.pdf (Vendor Advisory)

Frequently asked questions

What is CVE-2023-40263?: CVE-2023-40263 is a high-severity vulnerability in Unify Openscape Voice Trace Manager, classified under Command Injection. CVSS score: 8.8/10. Published 2024-02-08.
How severe is CVE-2023-40263?: High severity. CVSS v3 base score is 8.8 out of 10.