CVE-2024-0642
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 · uneditedInadequate access control in the C21 Live Encoder and Live Mosaic product, version 5.3. This vulnerability allows a remote attacker to access the application as an administrator user through the application endpoint, due to lack of proper credential management.
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 confidenceThis is an authentication bypass vulnerability in the C21 Live Encoder and Live Mosaic product version 5.3. The application fails to properly validate credentials when accessing certain endpoints, allowing an unauthenticated remote attacker to gain administrative access to the application. This is due to inadequate access control mechanisms and improper credential management in the affected endpoint.
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= 5.3CVSS 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 the installed Cires21 Live Encoder or Live Mosaic versionLocate the application version information in the product interface, About section, or installation documentation. Check the software itself or any inventory/subscription records.Affected if The installed version is exactly 5.3 (Cires21 Live Encoder)
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Determine if the application is network accessibleReview firewall rules, network configurations, and exposure settings to see if the C21 application ports or web interface are reachable from untrusted networks.Affected if The application is directly exposed to the internet or untrusted networks without VPN or authentication proxy
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Review access logs for unusual administrative activityExamine application and web server logs for successful administrative logins from unfamiliar IP addresses, especially at unusual times or in rapid succession.Affected if There are administrative sessions or logins from unexpected sources or IPs
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Audit user accounts for unauthorized administrative usersCheck the application's user management panel or user database for any unexpected accounts with administrative privileges that were not created by known administrators.Affected if There are additional admin accounts that were not created by your organization
You are affected if running Cires21 Live Encoder version 5.3 with the application network-accessible to untrusted parties, as the authentication bypass allows unauthorized admin access.
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 dataApply the vendor patch or update to a secured version of C21 Live Encoder/Mosaic when available. In the interim, restrict network access to the application to trusted IPs only and implement additional authentication layers such as VPN or WAF with authentication rules.
- Consultation8.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $10,240.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-0642 — 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-2024-0642 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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