Vulnerability · Published Nov 18, 2020 · Assigned by cisco

CVE-2020-27126Cisco Webex Meetings API Cross-Site Scripting Vulnerability

Medium 6.1

In plain English

A medium-severity security flaw in Cisco Webex Meetings from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)1.0%top 36.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in an API of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. The vulnerability is due to improper validation of user-supplied input to an application programmatic interface (API) within Cisco Webex Meetings. An attacker could exploit this vulnerability by convincing a targeted user to follow a link designed to submit malicious input to the API used by Cisco Webex Meetings. A successful exploit could allow the attacker to conduct cross-site scripting attacks and potentially gain access to sensitive browser-based information from the system of a targeted user.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Webex Meetings	n/a

Weakness: CWE-80 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

20201118 Cisco Webex Meetings API Cross-Site Scripting Vulnerability vendor-advisory, x_refsource_CISCO