CVE-2023-45349
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAtos Unify OpenScape 4000 Assistant V10 R1 before V10 R1.34.7, 4000 Assistant V10 R1.42.0, 4000 Assistant V10 R0, 4000 Manager V10 R1 before V10 R1.34.7, 4000 Manager V10 R1.42.0, and 4000 Manager V10 R0 expose sensitive information that may allow lateral movement to the backup system via AShbr. This is also known as OSFOURK-23722.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceAtos Unify OpenScape 4000 Assistant and Manager versions before V10 R1.34.7 expose sensitive information that can be leveraged for lateral movement to the backup system through the AShbr component. This could allow an attacker who has initial access to pivot to backup infrastructure.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 10= 10CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify installed product and versionAccess the OpenScape 4000 system administration interface or check the software inventory to determine if OpenScape 4000 Assistant or Manager is installed, and note the exact version number (for example, V10 R1.x)Affected if The version is 10 and is earlier than V10 R1.34.7 (for example, V10 R1.34.0 or any prior 10.x release)
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Locate AShbr componentReview the system documentation or component list to identify if the AShbr (Asynchronous Shell Bridge) component is present on the installationAffected if AShbr component is installed and enabled on the system
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Check AShbr configuration exposureExamine the AShbr component configuration files or interface settings to determine if it exposes credentials or connection details for the backup systemAffected if AShbr configuration contains backup system credentials, IP addresses, or connection strings that are accessible to authenticated users
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Verify network accessibility to backup systemReview network configuration or firewall rules to determine if the OpenScape 4000 system can initiate connections to the backup infrastructureAffected if The system has network access to backup servers or backup management interfaces
A user is affected if they are running OpenScape 4000 Assistant or Manager version 10 before V10 R1.34.7 and the AShbr component exposes backup system credentials that are accessible from their current user context.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scopedUpgrade to V10 R1.34.7 or later for the affected product lines. If immediate patching is not possible, restrict network access to the backup system and monitor for AShbr-related anomalous access patterns.
V10 R1.34.7 or later
- 1. Identify the current version of Unify Openscape 4000 Assistant or Manager installed in your environment
- 2. For Openscape 4000 Assistant: upgrade to version V10 R1.34.7 or later
- 3. For Openscape 4000 Manager: upgrade to version V10 R1.34.7 or later
- 4. After upgrade, verify the AShbr service configuration to ensure sensitive information is no longer exposed
- 5. Test lateral movement scenarios from the application to backup system to confirm remediation
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-45349 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-45349 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data