Show And ShareApplication · Cisco
CVE-2011-2584
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 · uneditedCisco Show and Share 5(2), 5.2(1), and 5.2(2) before 5.2(2.1) allows remote attackers to access the (1) Encoders and Pull Configurations, (2) Push Configurations, (3) Video Encoding Formats, and (4) Transcoding administration pages, and cause a denial of service (live event outage) or obtain potentially sensitive information, via unspecified vectors, aka Bug ID CSCto73758.
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 confidenceCisco Show and Share versions 5(2), 5.2(1), and 5.2(2) suffer from an authentication bypass vulnerability allowing remote unauthenticated attackers to access critical admin configuration pages (Encoders, Push/Pull Configurations, Video Encoding Formats, Transcoding). This can lead to denial of service (disruption of live events) or disclosure of sensitive system information.
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
Show And ShareApplication
<= 5.2\(2\)= 5\(2\)= 5.2\(1\)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
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:N/AC:L/Au:N/C:P/I:P/A:P
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 Cisco Show and Share installationLocate the Cisco Show and Share web application on the target system. This is typically a web-based video sharing platform that runs on a Cisco appliance or server. Check for the presence of Cisco Show and Share web interface by accessing the typical admin URL path (e.g., /ssadmin or /admin).Affected if Cisco Show and Share web interface is accessible on the network.
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Determine the installed versionAccess the Cisco Show and Share admin interface and navigate to the version or about page. Typically found under Admin > System > Version or similar path within the admin console. Alternatively, check the software release documentation or system banner if available via the web interface.Affected if The installed version is 5(2), 5.2(1), or 5.2(2). Any version up to and including 5.2(2) is affected.
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Verify admin interface accessibilityAttempt to access the critical admin configuration pages directly without authentication. These include paths for Encoders, Push/Pull Configurations, Video Encoding Formats, and Transcoding settings. Common patterns include /admin/encoder, /admin/pushpull, /admin/encoding, or /admin/transcode.Affected if The admin configuration pages are reachable without providing login credentials.
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Check network exposure of admin interfaceDetermine if the Cisco Show and Share admin interface (typically ports 80/443 or custom web service ports) is exposed to untrusted networks. Review firewall rules, network ACLs, and interface bindings to assess whether the admin portal is accessible from outside the trusted network.Affected if The admin interface is reachable from untrusted networks or the public internet.
A system is affected if Cisco Show and Share version 5(2), 5.2(1), or 5.2(2) is running AND the admin interface is accessible either locally or from a network where untrusted attackers could reach it.
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 dataUpgrade to Cisco Show and Share version 5.2(2.1) or later. If the product is end-of-life, migrate to a supported solution and implement network segmentation to limit exposure to admin interfaces.
Fix this in Show And Share
Scoped from the published advisory
- Consultation4.0 h
- Implementation4.0 h
- Testing8.0 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 $5,504.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2011-2584 — 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-2011-2584 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