Cisco Webex Meetings Desktop App Update Service Command Injection Vulnerability
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
A vulnerability in the update service of Cisco Webex Meetings Desktop App for Windows could allow an authenticated, local attacker to execute arbitrary commands as a privileged user. The vulnerability is due to insufficient validation of user-supplied parameters. An attacker could exploit this vulnerability by invoking the update service command with a crafted argument. An exploit could allow the attacker to run arbitrary commands with SYSTEM user privileges. While the CVSS Attack Vector metric denotes the requirement for an attacker to have local access, administrators should be aware that in Active Directory deployments, the vulnerability could be exploited remotely by leveraging the operating system remote management tools.
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 Event Center | 33.5.0 | — | No fix listed | CNA |
- Cisco WebEx Event Center VendorCisco Affected 33.5.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-15442
- 2026-10-03 Alias added: GHSA-766m-hqm4-2gcf
References
More Cisco Webex Meetings Desktop vulnerabilities
- TI-2021-01229 Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability CVSS 3.1HIGH 7.8
- TI-2021-01262 Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability CVSS 3.1HIGH 7.8
Sources
- CVE-2018-15442 · CVE Program
- CVE-2018-15442 · NVD
- FIRST EPSS
- GHSA-766m-hqm4-2gcf · GitHub Advisory Database · CC BY 4.0
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