CVE-2023-20255: Input Validation
A vulnerability in an API of the Web Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP packets to an affected device. A successful exploit could allow the attacker to cause a partial availability condition, which could cause ongoing video calls to be dropped due to the invalid packets reaching the Web Bridge.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-20255?
CVE-2023-20255 is a vulnerability in the Web Bridge feature of Cisco Meeting Server that allows an unauthenticated attacker to cause a DoS condition.
How does CVE-2023-20255 affect Cisco Meeting Server?
CVE-2023-20255 affects Cisco Meeting Server versions up to and excluding 3.6.1.
What is the severity of CVE-2023-20255?
CVE-2023-20255 has a severity level of medium with a CVSS score of 5.3.
How can an attacker exploit CVE-2023-20255?
An attacker can exploit CVE-2023-20255 by sending crafted HTTP requests to the API of the Web Bridge feature.
Is there a fix or patch available for CVE-2023-20255?
Cisco has released a security advisory with mitigation details for CVE-2023-20255, which can be found at the following URL: [link](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cms-segfault-G6ES4Ve8)