Security readout for executives and security teams
This issue affects Cisco Webex recording playback software on Windows. A malicious meeting recording file could run code if a user is persuaded to open it. The business risk is endpoint compromise through email or link-based social engineering, not a remotely reachable server flaw. Exposure is most likely on Windows endpoints where Cisco Webex Network Recording Player or Cisco Webex Player is installed and associated with ARF or WRF files. The bundle does not provide affected version ranges. Treat as a high-priority endpoint risk where Webex recording players are installed. Prioritize inventory and vendor-guided updates, especially for users likely to receive external meeting recordings or email attachments. Mitigation focus: Inventory Windows systems for Cisco Webex recording playback software.; Review Cisco advisory cisco-sa-20181003-webex-rce for affected and fixed releases.; Update or remove affected players according to Cisco guidance..
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
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ATT&CK lookup starting points
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CWE-20: 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-2018-15420 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 20181003 Cisco Webex Network Recording Player and Cisco Webex Player Remote 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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.