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CVE Record

CVE-2017-20159: rf Keynote rumble.rb cross site scripting

A vulnerability was found in rf Keynote up to 0.x on Rails. It has been rated as problematic. Affected by this issue is some unknown functionality of the file lib/keynote/rumble.rb. The manipulation of the argument value leads to cross site scripting. The attack may be launched remotely. Upgrading to version 1.0.0 is able to address this issue. The patch is identified as 05be4356b0a6ca7de48da926a9b997beb5ffeb4a. It is recommended to upgrade the affected component. VDB-217142 is the identifier assigned to this vulnerability.

MediumCVSS 4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2017-20159 is a cross-site scripting issue in rf Keynote 0.x. A remote authenticated user could influence a value handled by the Rails component and cause browser-side script execution. The known fix is upgrading to Keynote 1.0.0.

Executive priority

Treat as a moderate web application risk. Prioritize remediation where rf Keynote is exposed to authenticated external users or customer-generated content workflows.

Technical view

The vulnerability is CWE-79 in lib/keynote/rumble.rb. The source describes manipulation of the value argument causing XSS. CVSS v2 is 4.0 with network access, low complexity, single authentication, partial integrity impact, and no confidentiality or availability impact.

Likely exposure

Exposure is likely limited to Rails applications using rf Keynote 0.x, especially where Keynote/Rumble content or the affected value argument can be influenced by authenticated users.

Exploitation context

The sources say exploitation can be remote and requires authentication. The CVE is not listed as KEV, and the provided sources do not show active exploitation evidence.

Researcher notes

Evidence is sparse: the source names the affected file, argument, CWE, CVSS vector, and upgrade target, but not detailed attack preconditions beyond authentication or affected call paths.

Mitigation direction

  • Upgrade rf Keynote to version 1.0.0.
  • Confirm the patch commit 05be4356b0a6ca7de48da926a9b997beb5ffeb4a is present.
  • Check vendor project guidance for any additional hardening.
  • Limit affected functionality to trusted users until upgraded.

Validation and detection

  • Inventory Rails applications for rf Keynote usage.
  • Check dependency manifests and deployed versions for Keynote 0.x.
  • Review uses of Keynote/Rumble rendering with user-controlled values.
  • Confirm production deployments run Keynote 1.0.0 or later.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2017-20159 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4 (2.0)
Known Exploited
No
Published

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4CVSS 2.0MediumAV:N/AC:L/Au:S/C:N/I:P/A:N82.9Primary CVE score

Vulnerability scoring details

Base CVSS 2.0 score

4Medium
CVSS 2.0 vector shape for CVE-2017-20159Access VectorAccess ComplexityAuthenticationConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Access Vector
NetworkAdjacentLocal
Access Complexity
LowMediumHigh
Authentication
NoneSingleMultiple
Confidentiality Impact
CompletePartialNone
Integrity Impact
CompletePartialNone
Availability Impact
CompletePartialNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
rfKeynote0.xListed
Weakness

CWE details

CWE-79

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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