CVE-2021-1221

Description

A vulnerability in the user interface of Cisco Webex Meetings and Cisco Webex Meetings Server Software could allow an authenticated, remote attacker to inject a hyperlink into a meeting invitation email. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by entering a URL into a field in the user interface. A successful exploit could allow the attacker to generate a Webex Meetings invitation email that contains a link to a destination of their choosing. Because this email is sent from a trusted source, the recipient may be more likely to click the link.

Risk Information

Base Score

4.1

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

EPSS Score

Exploitation Probability

0.385

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2020-3441,CVE-2021-1221 are affected in Cisco Webex Meetings 40.11.3	Windows
Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection) Vulnerability (CVE-2021-1221)	NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE

Patch ID	Patch Description
PATCH-324355	Cisco Webex Meetings (42.4.4.7)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234