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Tightrope Media CarouselApplication · Trms

CVE-2019-13020

CRITICAL · 10.0 CVSS v3.0 Published 2019-08-26
Fix available
A fix is available. Upgrade to 7.1.3 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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 · unedited
The fetch API in Tightrope Media Carousel before 7.1.3 has CarouselAPI/v0/fetch?url= SSRF. This has two potential areas for abuse. First, a specially crafted URL could be used in a phishing attack to hijack the trust the user and the browser have with the website and could serve malicious content from a third-party attacker-controlled system. Second, arguably more severe, is the potential for an attacker to circumvent firewall controls, by proxying traffic, unauthenticated, into the internal network from the internet.

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 confidence

Server-Side Request Forgery (SSRF) vulnerability in the CarouselAPI/v0/fetch endpoint of Tightrope Media Carousel. The endpoint accepts a URL parameter that the server will blindly fetch, allowing unauthenticated attackers to make the server request arbitrary URLs. This enables both phishing attacks via the trusted domain and proxying of traffic into internal networks to bypass firewall controls.

MitigationUpgrade to Tightrope Media Carousel version 7.1.3 or later, which contains the patch for this SSRF vulnerability. Additionally, implement network segmentation and restrict the application's ability to make outbound requests to internal resources.

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
Tightrope Media CarouselApplication
Affected:< 7.1.3

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
Changed
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify if CarouselAPI endpoint is exposed
    Determine if the /CarouselAPI/v0/fetch endpoint is accessible from the network. This typically involves checking the application's exposed web services or API documentation.
    Affected if The endpoint is publicly or internally accessible without authentication.
  2. Verify the fetch endpoint accepts URL parameters
    Send a test request to the /CarouselAPI/v0/fetch endpoint with a URL parameter pointing to an external or internal resource you control, and observe whether the server attempts to fetch it.
    Affected if The server blindly follows and fetches the provided URL without validation.
  3. Check installed Tightrope Media Carousel version
    Locate and inspect the installed version of Tightrope Media Carousel in your environment. This is typically found in the application's about page, system information, or installation metadata.
    Affected if The installed version is any version prior to 7.1.3 (for example, 7.1.0, 7.0.x, 6.x, etc.).

You are affected if the CarouselAPI/v0/fetch endpoint is accessible and your installed Tightrope Media Carousel version is below 7.1.3.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 · scoped
Upgrade available Upgrade to 7.1.3 or later
Fixed in 7.1.3
Interim mitigation

Upgrade to Tightrope Media Carousel version 7.1.3 or later, which contains the patch for this SSRF vulnerability. Additionally, implement network segmentation and restrict the application's ability to make outbound requests to internal resources.

Recommended fix High confidence

Tightrope Media Carousel 7.1.3

  1. 1. Back up the current Tightrope Media Carousel system and database before proceeding with any upgrade.
  2. 2. Download Tightrope Media Carousel version 7.1.3 or later from the official vendor source (www.carouselsignage.com) or your authorized distribution channel.
  3. 3. Review the vendor's upgrade documentation and release notes for version 7.1.3 to understand any prerequisites or migration steps.
  4. 4. Apply the upgrade to your Carousel installation following the vendor's documented upgrade procedure.
  5. 5. After upgrading, verify that the CarouselAPI/v0/fetch endpoint is no longer accessible or has proper authentication/authorization controls in place.
  6. 6. Test that the SSRF vulnerability is remediated by confirming the fetch API properly validates and restricts URL parameters.
  7. 7. Monitor logs for any attempted exploitation attempts that may have occurred prior to the patch.
Caveat Review vendor release notes for any configuration or feature changes between your current version and 7.1.3; test in a non-production environment first.

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Tightrope Media Carousel Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing4.0 h
  • Review / QA2.0 h
10.0 hours of engineering $1,720
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An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,752.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-13020 in production — separate from our analysis above.

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What this is

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.

What belongs here
  • 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