CVE-2017-6156: Medium severity F5 Big-ip Local Traffic Manager vulnerability
When the F5 BIG-IP 12.1.0-12.1.1, 11.6.0-11.6.1, 11.5.1-11.5.5, or 11.2.1 system is configured with a wildcard IPSec tunnel endpoint, it may allow a remote attacker to disrupt or impersonate the tunnels that have completed phase 1 IPSec negotiations. The attacker must possess the necessary credentials to negotiate the phase 1 of the IPSec exchange to exploit this vulnerability; in many environment this limits the attack surface to other endpoints under the same administration.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2017-6156 vulnerability about?
The vulnerability in F5 BIG-IP systems allows a remote attacker to disrupt or impersonate IPSec tunnels.
How can the CVE-2017-6156 vulnerability be exploited?
The attacker needs to possess the necessary credentials and target systems with specific configurations.
What is the severity of CVE-2017-6156?
The severity of CVE-2017-6156 is rated as medium with a CVSS score of 6.4.
Is there a fix available for CVE-2017-6156?
Users can mitigate this vulnerability by applying the necessary security patches provided by F5.