Vulnerability · Published Jul 16, 2020 · Assigned by cisco

CVE-2020-3345Cisco Webex Meetings and Cisco Webex Meetings Server HTML Injection Vulnerability

Medium 4.3

In plain English

A medium-severity improper input validation in Cisco WebEx Meetings Server from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.0)4.3Medium

Exploit odds (30 days)1.2%top 31.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in certain web pages of Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to modify a web page in the context of a browser. The vulnerability is due to improper checks on parameter values within affected pages. An attacker could exploit this vulnerability by persuading a user to follow a crafted link that is designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious web sites, or the attacker could leverage this vulnerability to conduct further client-side attacks.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco WebEx Meetings Server	n/a

Weakness: CWE-20 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

20200715 Cisco Webex Meetings and Cisco Webex Meetings Server HTML Injection Vulnerability vendor-advisory, x_refsource_CISCO