CVE-2021-40842
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 · uneditedProofpoint Insider Threat Management Server contains a SQL injection vulnerability in the Web Console. The vulnerability exists due to improper input validation on the database name parameter required in certain unauthenticated APIs. A malicious URL visited by anyone with network access to the server could be used to blindly execute arbitrary SQL statements on the backend database. Version 7.12.0 and all versions prior to 7.11.2 are affected.
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 confidenceSQL injection vulnerability in Proofpoint Insider Threat Management Server Web Console due to improper input validation on the database name parameter in unauthenticated API endpoints. An attacker with network access can craft malicious URLs to execute arbitrary SQL statements on the backend database.
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< 7.11.2= 7.12.0CVSS 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 Proofpoint Insider Threat Management Server versionAccess the server's administration interface or check the product documentation for the installed version. This is typically visible in the Web Console header, about page, or can be retrieved via the API endpoint that reports version information.Affected if The installed version is less than 7.11.2 or exactly 7.12.0
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Confirm the Web Console is network-accessibleVerify that the Proofpoint Insider Threat Management Server Web Console is reachable from network locations outside the trusted internal network. Attempt to access the login page from an untrusted network segment or external IP address.Affected if The Web Console accepts connections from untrusted networks or is exposed to the internet without proper network segmentation
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Verify unauthenticated API endpoints are enabledCheck if the API endpoints at the root of the web application are accessible without authentication. These endpoints handle database name parameters and should normally require authentication, but the vulnerability exists in unauthenticated paths.Affected if The unauthenticated API endpoints are reachable and accept requests without requiring login credentials
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Inspect for anomalous database queries in logsReview the server logs for unusual or unexpected SQL syntax in requests to the database name parameter. Look for SQL injection patterns in web server access logs, especially on endpoints that handle database configuration.Affected if Logs show SQL injection attempts or unexpected SQL syntax in requests to the vulnerable parameter
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Confirm the database type and configurationIdentify whether the backend database is MySQL or PostgreSQL as the SQL injection would execute against the database engine configured for the application.Affected if The server uses a supported database backend and the application connects to it using the vulnerable parameter handling
The environment is affected if the Proofpoint Insider Threat Management Server version is below 7.11.2 or exactly 7.12.0 AND the Web Console is accessible from untrusted networks, allowing unauthenticated attackers to reach the vulnerable API endpoints.
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 · scoped7.11.2
Upgrade to version 7.11.2 or later (or the fixed version of 7.12.0). If immediate patching is not feasible, restrict network access to the server to reduce attack surface.
7.11.2 or any version subsequent to 7.12.0
- 1. Back up the Insider Threat Management Server database and configuration files.
- 2. Ensure you have downtime scheduled as the upgrade may require service restart.
- 3. Download the fixed version (7.11.2 or later) from the official Proofpoint download portal or vendor repository.
- 4. Stop the Insider Threat Management Server services.
- 5. Install the upgrade following Proofpoint's standard upgrade procedure for this product.
- 6. Verify the upgrade was successful by checking the server version in the Web Console.
- 7. Restart all Insider Threat Management services.
- 8. Test that the Web Console is accessible and functioning normally.
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-40842 — 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-2021-40842 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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- Version or environment caveats, and links to real fixes
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