CVE-2020-3263

Cisco Webex Meetings Desktop App URL Filtering Arbitrary Program Execution Vulnerability

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.76% Top 20%
Vendor Advisory cisco.com
Affected: Cisco Cisco WebEx Meetings Server
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2020-3263?
CVE-2020-3263 has been scored as a high severity vulnerability.
How to fix CVE-2020-3263?
To fix CVE-2020-3263, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3263 being actively exploited in the wild?
It is possible that CVE-2020-3263 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3263?
CVE-2020-3263 affects Cisco Cisco WebEx Meetings Server.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.