SB2021110410 - Email Content Injection in Cisco Webex Meetings
Published: November 4, 2021
Security Bulletin ID
SB2021110410
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2021-40128)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied parameters. A remote attacker can send to any recipient an account activation email that contains a tampered activation link, which can direct the user to an attacker-controlled website.
Remediation
Install update from vendor's website.