CVE-2017-3830 : What You Need to Know
Learn about CVE-2017-3830 affecting Cisco Meeting Server. Discover how an unauthorized attacker could exploit the internal API, causing a denial of service (DoS) condition on the affected appliance.
Cisco Meeting Server (CMS) has a vulnerability in its internal API that could be exploited by an unauthorized attacker, leading to a denial of service (DoS) attack. The affected versions are 2.1, with the issue resolved in version 2.1.2.
Understanding CVE-2017-3830
The vulnerability in the Cisco Meeting Server could allow a remote attacker to disrupt the appliance's functionality through a DoS attack.
What is CVE-2017-3830?
This CVE identifies a weakness in the internal API of Cisco Meeting Server that could be abused by an unauthorized remote attacker, resulting in a DoS condition on the affected appliance.
The Impact of CVE-2017-3830
The vulnerability could lead to a situation where the affected Cisco Meeting Server becomes inoperable due to a DoS attack, potentially disrupting communication services.
Technical Details of CVE-2017-3830
The following technical details provide insight into the vulnerability and its implications.
Vulnerability Description
The weakness in the internal API of Cisco Meeting Server allows an unauthenticated remote attacker to trigger a DoS condition, rendering the appliance non-functional.
Affected Systems and Versions
- Product: Cisco Meeting Server
- Affected Versions: 2.1
- Resolved in Version: 2.1.2
Exploitation Mechanism
The vulnerability can be exploited remotely by an unauthorized attacker who is not logged in, impacting the availability of the Cisco Meeting Server.
Mitigation and Prevention
To address CVE-2017-3830 and enhance security measures, consider the following steps:
Immediate Steps to Take
- Apply the necessary security patches provided by Cisco promptly.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update and patch all software and firmware to prevent vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Ensure that the Cisco Meeting Server is updated to version 2.1.2 or a later release to mitigate the vulnerability.