CVE-2023-27716
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 · uneditedAn issue was discovered in freakchicken kafkaUI-lite 1.2.11 allows attackers on the same network to gain escalated privileges for the nodes running on it.
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 · low confidenceA privilege escalation vulnerability in freakchicken kafkaUI-lite version 1.2.11 allows attackers on the same network to gain escalated privileges on nodes running the application. The exact attack vector is not specified in available documentation, but the critical CVSS score (9.8) and network-based exploitation suggest either default credentials, an authentication bypass, or an insecure configuration exposing administrative functions.
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= 1.2.11CVSS 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
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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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Identify if kafkaUI-lite is runningCheck running processes or container images for 'kafkaUI-lite', 'kafkaui', or the specific jar/application file associated with this tool. Look for processes listening on common kafkaUI ports (8080, 8081, etc.).Affected if kafkaUI-lite is running and accessible on the network
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Verify the installed versionCheck the application version displayed in the kafkaUI-lite web interface (usually on the login page or in an 'About' section), or inspect the JAR file/version manifest if you have direct access to the installation directory.Affected if Version is exactly 1.2.11
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Check for default or weak credentialsAttempt to log in with common default credentials for kafkaUI-lite (consult vendor documentation for defaults) or test if the application allows authentication bypass. Review any stored credential files or configuration that may contain plaintext passwords.Affected if Default credentials work or no authentication is required to access administrative functions
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Assess network exposureDetermine if the kafkaUI-lite web interface is accessible from beyond the local host or trusted network segment. Check firewall rules, reverse proxy configurations, and container networking to see if the interface binds to 0.0.0.0 or is exposed publicly.Affected if The interface is accessible from untrusted network segments or the internet
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Review administrative function exposureExamine if administrative endpoints (user management, cluster configuration, topic creation/deletion) are accessible without elevated authentication or are exposed through the web interface.Affected if Administrative functions are accessible without proper authentication or authorization checks
You are affected if kafkaUI-lite version 1.2.11 is running and is accessible on the network with default credentials, authentication bypass, or exposed administrative functions.
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 dataUpgrade to a patched version if available; otherwise, restrict network access to the kafkaUI-lite interface, audit for default credentials or insecure configurations, and implement proper authentication controls.
- Consultation4.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-27716 — 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-2023-27716 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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