Sd Wan FirmwareOperating system · Cisco
CVE-2020-3468
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 · uneditedA vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. The vulnerability exists because the web-based management interface improperly validates values within SQL queries. An attacker could exploit this vulnerability by authenticating to the application and sending malicious SQL queries to an affected system. A successful exploit could allow the attacker to modify values on or return values from the underlying database or the operating system.
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 confidenceSQL injection vulnerability in Cisco SD-WAN vManage's web-based management interface due to improper validation of SQL query values. An authenticated attacker can send malicious SQL queries to modify database values or execute commands on the underlying operating system.
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
Sd Wan FirmwareOperating system
<= 19.2.2CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
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 Cisco SD-WAN vManage is deployedIdentify whether the target system runs Cisco SD-WAN vManage software by checking system documentation, network inventory records, or by accessing the device and reviewing the running softwareAffected if The system is not Cisco SD-WAN vManage, then this specific CVE does not apply
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Determine the installed vManage firmware versionAccess the vManage web UI or CLI and navigate to the version or system information section to retrieve the exact firmware version numberAffected if The installed version is 19.2.2 or any version lower than 19.2.2 (the vulnerability affects versions <= 19.2.2)
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Verify the web-based management interface is accessibleConfirm that the vManage web-based management interface is enabled and network-accessible, typically on port 443 or 8443Affected if The web management interface is disabled or completely isolated from network access, the attack surface is reduced but the vulnerability still exists in the software if the version is affected
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Check if the management interface is exposed to untrusted networksReview firewall rules, access control lists, or network segmentation configurations to determine if the vManage management interface can be reached from untrusted or external network segmentsAffected if The management interface is exposed to untrusted or anonymous users, combined with a vulnerable version, the system is at higher risk
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Review logs for suspicious SQL-like patternsExamine vManage system logs, audit logs, or web server logs for unusual SQL syntax, database errors, or unexpected query patterns that may indicate exploitation attemptsAffected if Log analysis reveals SQL injection attempts or anomalies, this indicates potential exploitation of this or similar vulnerabilities
A system is affected if it runs Cisco SD-WAN vManage firmware version 19.2.2 or lower and has the web-based management interface accessible, regardless of network exposure.
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 Cisco's security patches for CVE-2020-3468; until patched, restrict management interface access to trusted IP addresses and monitor logs for anomalous SQL-like patterns.
Fix this in Sd Wan Firmware
Scoped from the published advisory
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 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 $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-3468 — 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-2020-3468 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
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