CVE-2017-12249

A vulnerability in the Traversal Using Relay NAT (TURN) server included with Cisco Meeting Server (CMS) could allow an authenticated, remote attacker to gain…

published September 13, 2017

CVSS
—
EPSS
3%
Percentile
87.7
In the wild
Unconfirmed
What it is

⚠️ An overlooked configuration could open the door to unauthorized access! This vulnerability in Cisco Meeting Server's TURN component lets authenticated attackers sneak past the gates and peek into sensitive information! 🔍 Think of it like a conference room with a bad security badge policy — just because someone has a badge doesn’t mean they should have access to the private meeting. If the configurations aren't tightly managed, it's all too easy for someone to listen in on conversations they shouldn’t. An attacker with valid credentials can exploit this flaw to gain unauthorized access to critical components like Call Bridges or even sensitive meeting details. Imagine someone eavesdropping on vital discussions or extracting confidential data — not just inconvenient, it's a serious breach of trust!

Put simply

Think of it like a conference room with a bad security badge policy — just because someone has a badge doesn’t mean they should have access to the private meeting. If the configurations aren't tightly managed, it's all too easy for someone to listen in on conversations they shouldn’t. This vulnerability arises from a default misconfiguration in the TURN server that exposes internal interfaces to the outside world, allowing an authenticated attacker to access unauthorized services within the Cisco Meeting Server environment.

What to do

An attacker with valid credentials can exploit this flaw to gain unauthorized access to critical components like Call Bridges or even sensitive meeting details. Imagine someone eavesdropping on vital discussions or extracting confidential data — not just inconvenient, it's a serious breach of trust! To protect your system, update your Cisco Meeting Server to at least version 2.0.16, 2.1.11, or 2.2.6 as required. Also, double-check your TURN server configurations to ensure that no sensitive ports or interfaces are left exposed. Regular audits can help keep this from happening in the future! You’ve got this! By taking these actions, you’ll bolster your defenses and keep your communications secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03134 · 87.7th percentile
Published
2017-09-13T22:00Z
EPSS history
Timeline
  • 13 SEP 22:00Z
    A vulnerability in the Traversal Using Relay NAT (TURN) server included with Cisco Meeting Server (CMS) could allow an authenticated, remote attacker to gain…
    cvelistv5