HOMEVULNERABILITIESCVE-2023-6269
CRITICAL

CVE-2023-6269

CWE-88Published: December 5, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

An argument injection vulnerability has been identified in the

administrative web interface of the Atos Unify OpenScape products "Session Border Controller" (SBC) and "Branch", before version V10 R3.4.0, and OpenScape "BCF" before versions V10R10.12.00 and V10R11.05.02. This allows an

unauthenticated attacker to gain root access to the appliance via SSH (scope change) and also bypass authentication for the administrative interface and gain

access as an arbitrary (administrative) user.

NVD Source

Technical Analysis

CVE-2023-6269 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

atos3 product(s)
unify openscape bcfunify openscape branchunify openscape session border controller
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://networks.unify.com/security/advisories/OBSO-2310-01.pdf
ADVISORYhttps://r.sec-consult.com/unifyroot
ADVISORYhttps://networks.unify.com/security/advisories/OBSO-2310-01.pdf
ADVISORYhttps://r.sec-consult.com/unifyroot

All References (8)

→
http://packetstormsecurity.com/files/176194/Atos-Unify-OpenScape-Authentication-Bypass-Remote-Code-Execution.html
→
http://seclists.org/fulldisclosure/2023/Dec/16
→
https://networks.unify.com/security/advisories/OBSO-2310-01.pdfVendor Advisory
→
https://r.sec-consult.com/unifyrootExploit · Third Party Advisory
→
http://packetstormsecurity.com/files/176194/Atos-Unify-OpenScape-Authentication-Bypass-Remote-Code-Execution.html
→
http://seclists.org/fulldisclosure/2023/Dec/16
→
https://networks.unify.com/security/advisories/OBSO-2310-01.pdfVendor Advisory
→
https://r.sec-consult.com/unifyrootExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2023-6269
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-88
CISA KEVNo
Affected1 vendor(s)
PublishedDec 5, 2023

Related CVEs (CWE-88)

CVE-2026-57572
10.0
CVE-2004-0480
10.0
CVE-1999-0113
10.0
CVE-2007-0882
10.0
CVE-2024-47553
9.9
CVE-2026-44450
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-6269 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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