Cisco Webex Teams Logging Feature Command Execution Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.
Summary
A vulnerability in the Cisco Webex Teams client for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected system. This vulnerability is due to improper restrictions on software logging features used by the application on Windows operating systems. An attacker could exploit this vulnerability by convincing a targeted user to visit a website designed to submit malicious input to the affected application. A successful exploit could allow the attacker to cause the application to modify files and execute arbitrary commands on the system with the privileges of the targeted user.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Webex Teams | before 3.0.12427.0 | 3.0.12427.0 | Patch available | CNA |
- Cisco Webex Teams VendorCisco Affected before 3.0.12427.0 Fixed in 3.0.12427.0 Patch available CNA
Remediation
- Fix · CNA Cisco Webex Teams (Cisco) Fixed in 3.0.12427.0
Timeline
- 2026-10-02 Threatist record created from CVE-2019-1939
- 2026-10-03 Alias added: GHSA-w3v7-95f2-5pgr
References
More Cisco Webex Teams vulnerabilities
- TI-2019-01262 Cisco Webex Teams URI Handler Insecure Library Loading Vulnerability CVSS 3.0HIGH 7.8
- TI-2018-00346 Improper input validation in Cisco Webex Teams unknown CVSS 3.1HIGH 8.8
- TI-2025-14536 Cisco Webex App Client-Side Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
- TI-2018-00395 Cisco Webex Teams Information Disclosure and Modification Vulnerability CVSS 3.1HIGH 8.7
- TI-2020-03080 Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability CVSS 3.1HIGH 8.4
- TI-2021-01229 Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability CVSS 3.1HIGH 7.8
Sources
- CVE-2019-1939 · CVE Program
- CVE-2019-1939 · NVD
- FIRST EPSS
- GHSA-w3v7-95f2-5pgr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences