CVE-2017-6156 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

Reference

https://support.f5.com/csp/article/K05263202

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

HIGH

Base Severity

6.4