What is CVE-2023-30638?

CVE-2023-30638 is a high-severity vulnerability in Atos Unify Openscape Bcf, classified under Command Injection. CVSS score: 7.2/10. Published 2023-04-14.

How severe is CVE-2023-30638?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Atos Unify Openscape Bcf

CVE-2023-30638

Atos Unify OpenScape SBC 10 before 10R3.1.3, OpenScape Branch 10 before 10R3.1.2, and OpenScape BCF 10 before 10R10.7.0 allow remote authenticated admins to inject commands.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-04-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (59.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

References

networks.unify.com/security/advisories/OBSO-2303-02.pdf (Vendor Advisory)
www.news.de/technik/856818957/unify-openscape-sbc-und-openscape-branch-gefaehrd… (Third Party Advisory, Press/Media Coverage)

Frequently asked questions

What is CVE-2023-30638?: CVE-2023-30638 is a high-severity vulnerability in Atos Unify Openscape Bcf, classified under Command Injection. CVSS score: 7.2/10. Published 2023-04-14.
How severe is CVE-2023-30638?: High severity. CVSS v3 base score is 7.2 out of 10.