CVE-2021-22658
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 · uneditedAdvantech iView versions prior to v5.7.03.6112 are vulnerable to a SQL injection, which may allow an attacker to escalate privileges to 'Administrator'.
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 confidenceAdvantech iView versions prior to 5.7.03.6112 contain a SQL injection vulnerability that can be exploited remotely without authentication, allowing attackers to inject malicious SQL queries and escalate privileges to Administrator level.
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< 5.7.03.6112CVSS 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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Confirm iView installationAccess the web management interface (typically ports 80, 8080, or 443) or locate the iView installation directory on the serverAffected if Advantech iView software is found running or installed on the system
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Determine installed versionCheck the iView web interface login page for version information, or inspect version files in the installation directory (commonly found in About or Help sections, or in configuration/conf files)Affected if The installed version is lower than 5.7.03.6112
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Verify management interface exposureIdentify which network interfaces and IP addresses the iView web service is bound to, and determine if it is reachable from untrusted networksAffected if The iView management interface is accessible from networks outside the trusted internal network
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Check for unauthorized admin accountsReview iView user account listings or application logs for unexpected accounts with Administrator privileges or for SQL injection error patterns in logsAffected if Unexpected administrator-level accounts exist or SQL injection attempts are logged
A user is affected if Advantech iView is installed with a version lower than 5.7.03.6112 and its management interface is network-accessible, allowing unauthenticated remote attackers to exploit the SQL injection flaw.
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 · scoped5.7.03.6112
Upgrade iView to version 5.7.03.6112 or later. As a temporary measure, implement a WAF and restrict network access to the iView management interface until the patch can be applied.
Advantech iView v5.7.03.6112
- Confirm current iView version by checking the application interface or system information
- Download Advantech iView version 5.7.03.6112 or later from the official Advantech support portal
- Create a full backup of the current iView installation and database
- Stop the iView service before upgrading
- Install the updated version (5.7.03.6112 or later) following standard installation procedures
- Restart the iView service after installation
- Verify the upgrade was successful by checking the new version number
- Test that the application functions normally and SQL injection vulnerability is remediated
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-22658 — 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-2021-22658 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