Cyber Resilience

CVE-2023-30638

HighRCE

Published: 14 April 2023

Published
14 April 2023
Modified
07 February 2025
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0082 74.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-30638 is a high-severity Command Injection (CWE-77) vulnerability in Atos Unify Openscape Bcf. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 25.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

atos
unify openscape bcf
10 — 10r10.7.0
atos
unify openscape branch
10 — 10r3.1.2
atos
unify openscape session border controller
10 — 10r3.1.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-94

Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References