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TI-2020-02823 Aliases CVE-2020-3263GHSA-7rqg-3gh2-367f

Cisco Webex Meetings Desktop App URL Filtering Arbitrary Program Execution Vulnerability

Priority MEDIUM 42CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability in Cisco Webex Meetings Desktop App could allow an unauthenticated, remote attacker to execute programs on an affected end-user system. The vulnerability is due to improper validation of input that is supplied to application URLs. The attacker could exploit this vulnerability by persuading a user to follow a malicious URL. A successful exploit could allow the attacker to cause the application to execute other programs that are already present on the end-user system. If malicious files are planted on the system or on an accessible network file path, the attacker could execute arbitrary code on the affected system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0422 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
CiscoCisco WebEx Meetings Serverall versions—No fix listedCNA
  • Cisco WebEx Meetings Server VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:webex_meetings:*:*:*:*:desktop:*:*:*before 39.5.12VulnerableCisco
  • cpe:2.3:a:cisco:webex_meetings:*:*:*:*:desktop:*:*:* Versions before 39.5.12 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3263
  2. 2026-10-03 Alias added: GHSA-7rqg-3gh2-367f

References

Advisory 1

  • TI-2019-01300 Cisco Webex Meetings Desktop App and Cisco Webex Productivity Tools Update Service Command Injection Vulnerability CVSS 3.0HIGH 8.8
  • TI-2018-00079 Improper input validation in Cisco WebEx Advanced Recording Format Player CVSS 3.0CRITICAL 9.6
  • TI-2018-00224 Improper input validation in Cisco WebEx Advanced Recording Format file players 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-2020-02894 Cisco Webex Meetings Desktop App for Mac Update Feature Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2017-09144 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players CVSS 3.0CRITICAL 9.6
See all 68 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences