#VU49574 Improper Restriction of Excessive Authentication Attempts in Cisco Webex Meetings and Cisco WebEx Meetings Server - CVE-2021-1311 

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Main Vulnerability Database Vulnerabilities #VU49574

#VU49574 Improper Restriction of Excessive Authentication Attempts in Cisco Webex Meetings and Cisco WebEx Meetings Server - CVE-2021-1311

Published: January 13, 2021 / Updated: January 18, 2021


Vulnerability identifier: #VU49574
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1311
CWE-ID: CWE-307
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Webex Meetings
Cisco WebEx Meetings Server
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain access to the system.

The vulnerability exists due to a lack of protection against brute forcing of the host key in the reclaim host role feature. A remote authenticated attacker can send specially crafted requests, launch a brute-force authentication attack and acquire or take over the host role for a meeting.


Remediation

Install updates from vendor's website.

External links