CVE-2024-11322
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 · uneditedA denial-of-service vulnerability exists in CyberPower PowerPanel Business (PPB) 4.11.0. An unauthenticated remote attacker can restart the ppbd.exe process via the PowerPanel Business Service Watchdog service listening on TCP port 2003. The attacker can repeatedly restart ppbd.exe to render it unavailable.
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 · high confidenceA denial-of-service vulnerability in CyberPower PowerPanel Business 4.11.0 allows unauthenticated remote attackers to repeatedly restart the ppbd.exe process via the PowerPanel Business Service Watchdog listening on TCP port 2003, rendering the service unavailable.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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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Check if PowerPanel Business is installed and identify its versionLook for PowerPanel Business in the installed programs list (Windows: Control Panel > Programs and Features, or check C:\Program Files\CyberPower PowerPanel Business\) and note the version numberAffected if The installed version is 4.11.0 exactly, as this is the only version listed as affected in the CVE summary
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Verify the ppbd.exe process is runningOpen Task Manager or use command 'tasklist /FI "IMAGENAME eq ppbd.exe"' to check if the PowerPanel Business Service Watchdog process is activeAffected if The ppbd.exe process is running, as this is the vulnerable component that can be repeatedly restarted
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Check if TCP port 2003 is listening and exposedRun 'netstat -an | findstr :2003' or use a network port scanner to determine if the PowerPanel Business Service Watchdog is listening on TCP port 2003 and accessible from the networkAffected if TCP port 2003 is in LISTENING state and accessible from network interfaces other than localhost, indicating the vulnerable service is exposed
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Confirm network exposure of the serviceUse 'netstat -ab' (requires admin) or check Windows Firewall rules to determine if port 2003 is bound to external network interfaces rather than only localhostAffected if The service is bound to external network interfaces (0.0.0.0:2003) making it accessible to remote attackers rather than only local access (127.0.0.1:2003)
You are affected if PowerPanel Business version 4.11.0 is installed with ppbd.exe running and TCP port 2003 is exposed to the network, allowing unauthenticated remote attackers to trigger repeated service restarts.
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.
From vendor dataRestrict network access to TCP port 2003 via firewall rules or network segmentation to prevent unauthorized external connections to the watchdog service.
- Consultation3.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-11322 — 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-2024-11322 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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- 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
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