CVE-2022-39057
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 · uneditedRAVA certificate validation system has insufficient filtering for special parameter of the web page input field. A remote attacker with administrator privilege can exploit this vulnerability to perform arbitrary system command and disrupt service.
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 confidenceRAVA certificate validation system contains a command injection vulnerability due to insufficient filtering of special characters in web page input fields. An authenticated attacker with administrator privileges can inject arbitrary system commands through unsanitized input parameters, leading to complete system compromise.
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= 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/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 RAVA Certificate Validation System is installedSearch for installation directories, services, or processes related to 'RAVA' or 'Changingtec Rava Certificate Validation System' on the host. Check system services, installed programs list, or running processes.Affected if The software is found installed on the system
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Verify the installed version is 3.xLocate version information for the RAVA installation. Check installation logs, About dialogs, configuration files, or the web interface footer for version numbers.Affected if The installed version is 3.x (specifically version 3)
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Confirm web interface is accessibleTest network connectivity to the RAVA web interface port (commonly ports 80/443 or configured HTTP/HTTPS ports). Access the login page via browser or curl to confirm the service is running.Affected if The web interface is reachable and responds to HTTP/HTTPS requests
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Check if administrator accounts existReview user management settings, authentication configuration, or database/user files for administrator-level accounts. Determine if any administrator user is configured in the RAVA system.Affected if Administrator user accounts are configured in the RAVA system
A system is affected if the Changingtec RAVA Certificate Validation System version 3 is installed with its web interface accessible and administrator accounts configured, allowing authenticated administrators to inject commands through unsanitized web input fields.
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 dataImplement strict input validation and sanitization for all user-supplied parameters, preferably using allowlists and parameterized approaches. Consider implementing command whitelisting or replacing system command execution with safer alternatives.
- Consultation8.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-39057 — 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-2022-39057 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
- No spam, self-promotion, credentials, or personal data