Cisco Webex Meetings App Character Interface Manipulation Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability in the messaging interface of Cisco Webex App, formerly Webex Teams, could allow an unauthenticated, remote attacker to manipulate links or other content within the messaging interface. This vulnerability exists because the affected software does not properly handle character rendering. An attacker could exploit this vulnerability by sending messages within the application interface. A successful exploit could allow the attacker to modify the display of links or other content within the interface, potentially allowing the attacker to conduct phishing or spoofing attacks.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-20863
- 2026-10-03 Alias added: GHSA-hh7x-5f4p-r457
References
More Cisco Webex Teams vulnerabilities
- TI-2019-01262 Cisco Webex Teams URI Handler Insecure Library Loading Vulnerability CVSS 3.0HIGH 7.8
- TI-2019-01559 Cisco Webex Teams Logging Feature Command Execution Vulnerability CVSS 3.1HIGH 8.8
- 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
Sources
- CVE-2022-20863 · CVE Program
- CVE-2022-20863 · NVD
- FIRST EPSS
- GHSA-hh7x-5f4p-r457 · GitHub Advisory Database · CC BY 4.0
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