Security readout for executives and security teams
Plain-English summary
This CVE affects Cisco Webex recording players on Windows. A malicious Webex recording file could run code if a user is persuaded to open it. The practical risk is workstation compromise, not direct remote server takeover, but impact can be serious because code runs with the user’s privileges.
Executive priority
Treat as a high-priority endpoint exposure if Webex recording players are installed. The issue needs user interaction, but compromise could give an attacker the same access as the targeted employee.
Technical view
Cisco describes insufficient validation of elements inside ARF or WRF Webex recording files, mapped to CWE-119. Exploitation requires local file handling and user interaction. Successful exploitation can allow arbitrary code execution on the affected Windows system with the targeted user’s privileges. CVSS is 7.8 high.
Likely exposure
Exposure is most likely on Windows endpoints with Cisco Webex Network Recording Player or Cisco Webex Player installed, especially where users receive or review ARF/WRF recordings. The source bundle does not provide exact affected version ranges.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. Exploitation depends on social engineering: an attacker sends or links a crafted ARF or WRF file and convinces the user to open it locally.
Researcher notes
Evidence is limited to the CVE source bundle and Cisco advisory reference. The bundle confirms arbitrary code execution, ARF/WRF parsing, Windows players, CVSS 7.8, and no KEV signal. Exact affected and fixed versions require the Cisco advisory.
Mitigation direction
- Check Cisco’s advisory for affected and fixed software details.
- Update or remove vulnerable Webex recording player software where present.
- Limit opening ARF and WRF files from untrusted sources.
- Use endpoint controls to restrict unexpected player execution.
- Ensure email filtering flags unexpected ARF or WRF attachments.
Validation and detection
- Inventory Windows endpoints for Cisco Webex recording players.
- Compare installed versions against Cisco’s advisory.
- Identify users who routinely handle ARF or WRF files.
- Review mail and endpoint telemetry for unexpected ARF or WRF files.
- Confirm endpoint protections monitor execution from downloaded recordings.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-119: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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.
Open ATT&CK lookupExecution 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.
Open ATT&CK lookupCVE-2019-15287 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- 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
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20191106 Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution VulnerabilitiesCVE reference · vendor-advisory, x_refsource_CISCO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.