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CVE-2023-30638

24
FAUCET Score

CVE-2023-30638 is a command injection vulnerability affecting Atos Unify OpenScape SBC, OpenScape Branch, and OpenScape BCF versions prior to their latest updates. This high-severity flaw (CVSS 7.2) allows remote authenticated administrators to execute arbitrary commands, potentially leading to full compromise of the affected systems. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion or media coverage, the potential impact remains significant. There is no evidence of active exploitation, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 10, < 10r10.7.0CPE matchmatch criteria
cpe:2.3:a:atos:unify_openscape_bcf:*:*:*:*:*:*:*:*
>= 10, < 10r3.1.2CPE matchmatch criteria
cpe:2.3:a:atos:unify_openscape_branch:*:*:*:*:*:*:*:*
>= 10, < 10r3.1.3CPE matchmatch criteria
cpe:2.3:a:atos:unify_openscape_session_border_controller:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 44th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

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-report-bekannte-schwachstellen-und-sicherheitsluecken/1
Press/Media CoverageThird Party Advisory