Vision Dynamic Signage DirectorApplication · Cisco
CVE-2020-3484
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 Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to view potentially sensitive information on an affected device. The vulnerability is due to incorrect permissions within Apache configuration. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface. A successful exploit could allow the attacker to view potentially sensitive information on the affected device.
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 an information disclosure vulnerability in Cisco Vision Dynamic Signage Director's web-based management interface. The root cause is incorrect permissions configured in the Apache web server, which allows an unauthenticated remote attacker to view potentially sensitive information by sending crafted HTTP requests to specific endpoints.
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
Vision Dynamic Signage DirectorApplication
= 6.2\(0\)CVSS 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
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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 Vision Dynamic Signage Director is installedLocate the Cisco Vision Dynamic Signage Director installation directory or check running services on the system. Typical installation paths may be in /opt/cisco/vision or C:\Program Files\Cisco\Vision. Check for the presence of the management interface web service.Affected if The software is present on the system and the web management interface is accessible.
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Identify the installed versionAccess the web-based management interface and look for an About, Version, or System Information page in the UI. Alternatively, check installation logs or configuration files for version strings matching '6.2(0)'.Affected if The installed version is exactly 6.2(0).
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Review Apache configuration for permission directivesLocate the Apache httpd.conf or included configuration files in the Cisco Vision installation directory. Look for <Directory>, <Files>, or <Location> blocks that control access to sensitive paths. Check for missing or overly permissive Require directives or AllowOverride settings.Affected if Apache configuration contains incorrect or missing permission restrictions on sensitive directories or files.
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Test unauthenticated access to management endpointsSend HTTP requests from an unauthenticated external host to the Cisco Vision web interface. Attempt to access common sensitive paths such as configuration directories, log files, or administrative endpoints without providing credentials.Affected if Unauthenticated HTTP requests successfully return sensitive information that should require authentication.
A user is affected if Cisco Vision Dynamic Signage Director version 6.2(0) is installed and the Apache web server configuration allows unauthenticated access to sensitive resources.
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 dataCorrect the Apache configuration to enforce proper file and directory permissions, restricting access to sensitive resources. Apply vendor-provided patches when available and verify the fix by testing that unauthenticated requests can no longer access sensitive information.
Fix this in Vision Dynamic Signage Director
Scoped from the published advisory
- Consultation4.0 h
- Implementation4.0 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 $3,968.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-3484 — 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-2020-3484 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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