Security readout for executives and security teams
Plain-English summary
This CVE affects Cisco Webex recording players for Windows. A malicious Webex recording file could run code on a user’s machine if the user opens it. The business risk is endpoint compromise through email or link-based social engineering, especially where old Webex player software remains installed.
Executive priority
Treat as a high-priority endpoint hygiene issue, not a broad internet-exposed emergency. Prioritize environments with heavy Webex recording use or unmanaged Windows software, and remove or update the player where found.
Technical view
The issue is improper validation of ARF and WRF recording files in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows. It is classified as CWE-119 with CVSS 3.0 score 7.8. Exploitation requires local file opening by a user and runs code with that user’s privileges.
Likely exposure
Exposure is most likely on Windows endpoints with the affected Cisco Webex recording player software installed. The source bundle does not specify exact affected versions, so teams should verify installed versions against Cisco’s advisory.
Exploitation context
The documented attack path is a malicious ARF or WRF file delivered by link or email attachment, followed by persuading the user to open it. The bundle marks KEV as false and provides no cited evidence of active exploitation.
Researcher notes
Evidence supports user-assisted arbitrary code execution via malformed ARF or WRF parsing. The bundle lacks exact version ranges, patch details, and exploitation-in-the-wild evidence, so validation should anchor on Cisco’s advisory and local software inventory.
Mitigation direction
- Check Cisco’s advisory for affected versions and fixed software guidance.
- Update or remove affected Webex recording player software from Windows endpoints.
- Limit opening of unsolicited ARF and WRF files from email or links.
- Use endpoint controls to flag suspicious execution from recording player processes.
Validation and detection
- Inventory Windows endpoints for Cisco Webex Network Recording Player or Webex Player.
- Compare discovered versions with Cisco’s advisory for CVE-2019-1925.
- Review email and web gateways for ARF or WRF attachments or links.
- Check endpoint telemetry for Webex player crashes or suspicious child processes.
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-2019-1925 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
- 20190807 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.
