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CVE Record

CVE-2019-15284: Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerabilities

Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerabilities exist due to insufficient validation of certain elements with a Webex recording stored in either the Advanced Recording Format (ARF) or the Webex Recording Format (WRF). An attacker could exploit these vulnerabilities by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw affects Cisco Webex recording playback software on Windows. A malicious meeting recording file could run code if a user opens it locally. The business risk is endpoint compromise through social engineering, especially where users exchange or archive Webex ARF or WRF recordings.

Executive priority

Treat as high priority where Webex recording players remain installed. The attack requires user action, but successful exploitation can compromise confidentiality, integrity, and availability on the endpoint under the user’s privileges.

Technical view

CVE-2019-15284 is a high-severity CWE-119 issue in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows. Insufficient validation of ARF or WRF recording elements can allow arbitrary code execution with the targeted user’s privileges after user interaction.

Likely exposure

Exposure is likely limited to Windows endpoints with affected Cisco Webex recording playback software installed and able to open ARF or WRF files. The provided sources do not define exact affected or fixed versions.

Exploitation context

The source bundle describes a local, user-assisted attack: an attacker sends a malicious ARF or WRF file by link or attachment and persuades a user to open it. KEV is false, and no provided source states active exploitation.

Researcher notes

The evidence supports arbitrary code execution through malformed ARF or WRF content, but the bundle lacks exact version ranges, fixed builds, and exploit telemetry. Avoid assuming broader Webex product impact beyond the named Windows recording players.

Mitigation direction

  • Check Cisco’s advisory for affected and fixed player versions.
  • Update or remove affected Cisco Webex recording playback software.
  • Restrict ARF and WRF file handling from untrusted sources.
  • Use email and web controls to flag unexpected recording attachments or links.
  • Prioritize endpoints used by executives, support teams, and meeting administrators.

Validation and detection

  • Inventory Windows hosts for Cisco Webex recording playback software.
  • Identify file associations for ARF and WRF formats.
  • Confirm installed versions against Cisco’s advisory.
  • Review endpoint alerts involving suspicious recording files.
  • Verify users cannot open untrusted ARF or WRF files without controls.
Prepared
Confidence
medium
Sources
3

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

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ATT&CK lookup starting points

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2019-15284 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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
2Source 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
7.8CVSS 3.0HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.8High
CVSS 3.0 vector shape for CVE-2019-15284Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CiscoCisco WebEx WRF PlayerunspecifiedListed
Weakness

CWE details

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