CVE-2022-40741
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 · uneditedMail SQR Expert’s specific function has insufficient filtering for special characters. An unauthenticated remote attacker 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 confidenceThis is a command injection vulnerability in Mail SQR Expert where a specific function lacks proper input sanitization for special characters. An unauthenticated remote attacker can exploit this to execute arbitrary system commands and disrupt service.
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= 2dut.190301CVSS 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 version of Softnext Mail SQR ExpertLocate the Mail SQR Expert installation directory and check the version information, typically found in an about page, version file, or the executable metadata. On the management console, navigate to System Information or Help > About to view the software version.Affected if The installed version is exactly 2dut.190301
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Determine if the web management interface is exposedCheck if the Mail SQR Expert web interface is accessible externally (not restricted to internal networks only). Review firewall rules and access control lists to confirm the exposure level.Affected if The web management interface is reachable from untrusted networks without proper network segmentation
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Review web server access logs for suspicious inputExamine web server logs (typically found in Mail SQR Expert's log directory) for requests containing special shell characters such as semicolons (;), pipes (|), backticks (`), dollar signs ($), or command substitution patterns in URL parameters or form inputs.Affected if Logs contain requests with command injection patterns sent to unauthenticated endpoints
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Check for unexpected system processes or scheduled tasksOn the server hosting Mail SQR Expert, use system monitoring tools or task manager to identify any unfamiliar processes running with elevated privileges, or review scheduled tasks for entries that were not created by administrators.Affected if Unexpected processes are running or unauthorized scheduled tasks exist on the system
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Inspect network connections for signs of compromiseUse netstat or equivalent network monitoring tools to list active connections from the Mail SQR Expert server to external IP addresses, particularly unusual outbound connections to unknown hosts.Affected if The server has established outbound connections to unknown or suspicious external addresses
A user is affected if their installed Softnext Mail SQR Expert is version 2dut.190301 AND the web interface is accessible, with additional indicators present in logs, processes, or network connections.
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 proper input validation and sanitization for all user-supplied data in the affected function, preferably using whitelisting of allowed characters and avoiding unsafe system calls. Apply vendor patches immediately if available.
- Consultation3.0 h
- Implementation6.0 h
- Testing5.0 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 $5,040.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-40741 — 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-2022-40741 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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