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 authen…

published 2023-04-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35002

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits: 0; none known

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.

Patch / fix

fixed in 3

atos unify_openscape_bcf 10r10.7.0
atos unify_openscape_branch 10r3.1.2
atos unify_openscape_session_border_controller 10r3.1.3

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 21 mo ago (2025-02-07)

Exploit prediction

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.2	CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:H/S:U/UI:N
CISA ADP	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-94 Improper Control of Generation of Code
CWE-77 Improper Neutralization of Special Elements used in a Command

References

networks.unify.com /security/advisories/OBSO-2303-02.pdf
vendor-advisory
news.de /technik/856818957/unify-openscape-sbc-und-openscape-branch-gefaehrdet-it-sicherheitswarnung-vom-bsi-und-bug-r
press/media-coverage, third-party-advisory

Sources

CVE List CVE-2023-30638
NVD CVE-2023-30638

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary