Security readout for executives and security teams
Plain-English summary
This is a user-assisted code execution flaw in Cisco Webex recording/player software on Windows. A malicious meeting recording file could run code when opened by a targeted user. The business risk is endpoint compromise through phishing-style delivery, especially where users still open ARF or WRF recordings locally.
Executive priority
Prioritize remediation where Webex recording players remain installed on user workstations. This is not described as remotely exploitable without user action, but it can still enable full user-level compromise from a convincing file lure.
Technical view
CVE-2019-15285 covers insufficient validation of elements inside Webex ARF or WRF recording files. Successful exploitation can execute arbitrary code with the targeted user's privileges. CVSS 3.0 is 7.8, with local attack vector, low complexity, no privileges required, and required user interaction.
Likely exposure
Likely exposure is Windows endpoints with Cisco Webex Network Recording Player or Cisco Webex Player capable of opening ARF or WRF files. The provided sources do not identify exact affected versions, so inventory should be checked against Cisco's advisory.
Exploitation context
The sources describe social-engineering delivery by link or email attachment and require persuading a user to open a malicious ARF or WRF file. CISA KEV is false in the provided bundle, and no cited source states active exploitation.
Researcher notes
Evidence is strongest for impact, attack path, and CVSS characteristics. The provided bundle does not include fixed version details or proof of exploitation. Keep validation focused on installed Windows Webex player components and ARF/WRF file handling.
Mitigation direction
- Review Cisco's advisory for affected and fixed software details.
- Update or remove affected Webex recording/player software per Cisco guidance.
- Reduce handling of unsolicited ARF and WRF files from external sources.
- Use email and endpoint controls to flag unexpected recording attachments.
- Ensure vulnerable players are not default handlers for ARF or WRF files.
Validation and detection
- Inventory Windows hosts for Cisco Webex Network Recording Player and Webex Player.
- Compare installed versions against Cisco's advisory, not assumptions.
- Check whether ARF and WRF files open with vulnerable local software.
- Review mail or download logs for unsolicited ARF or WRF files.
- Confirm remediation through endpoint software inventory after updates or removal.
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
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CWE-119: Exact CWE lookup
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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-2019-15285 mapping review
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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.