Access control flaw in Cisco WebEx Meeting Server
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
A vulnerability in Cisco WebEx Meeting Server could allow an unauthenticated, remote attacker to modify the welcome message of a meeting on an affected system. The vulnerability is due to insufficient security settings on meetings. An attacker could exploit this vulnerability by modifying the welcome message to a meeting. A successful exploit could allow the attacker to modify the welcome message of any known meeting. Cisco Bug IDs: CSCvf68695.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cisco WebEx Meeting Server | Cisco WebEx Meeting Server | — | No fix listed | CNA |
- Cisco WebEx Meeting Server Vendor— Affected Cisco WebEx Meeting Server Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-12363
- 2026-10-03 Alias added: GHSA-pq9m-xghm-3qrg
References
More Cisco Webex Meetings Server vulnerabilities
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2017-02920 Memory corruption in Cisco WebEx browser extensions CVSS 3.0HIGH 8.8
- TI-2018-00079 Improper input validation in Cisco WebEx Advanced Recording Format Player CVSS 3.0CRITICAL 9.6
- TI-2020-02913 Cisco Webex Meetings and Cisco Webex Meetings Server Token Handling Unauthorized Access Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2017-09144 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players CVSS 3.0CRITICAL 9.6
- TI-2017-09140 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players CVSS 3.0CRITICAL 9.6
Sources
- CVE-2017-12363 · CVE Program
- CVE-2017-12363 · NVD
- FIRST EPSS
- GHSA-pq9m-xghm-3qrg · 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