6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.014 Low
EPSS
Percentile
85.0%
Vulnerability Recommended Actions
If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in theVersions known to be not vulnerable column. If the table lists only an older version than what you are currently running, or does not list a non-vulnerable version, then no upgrade candidate currently exists.
F5 responds to vulnerabilities in accordance with theSeverity values published in the previous table. TheSeverity values and other security vulnerability parameters are defined in SOL4602: Overview of the F5 security vulnerability response policy.
To mitigate this vulnerability for the BIG-IP or BIG-IQ systems, you may perform one or more of the following tasks:
Make sure you expose the management interface only on trusted networks.
Configure the external firewall device to block all packets with the source of ::1. Blocking IPv6 on an external device is also a mitigation.
Modify the NTP configuration to prevent remote modifications to the configuration. To do so run the following tmsh commands:
Supplemental Information
support.f5.com/kb/en-us/solutions/public/0000/100/sol167.html
support.f5.com/kb/en-us/solutions/public/13000/100/sol13123.html
support.f5.com/kb/en-us/solutions/public/17000/300/sol17329.html
support.f5.com/kb/en-us/solutions/public/4000/900/sol4918.html
support.f5.com/kb/en-us/solutions/public/9000/500/sol9502.html
support.f5.com/kb/en-us/solutions/public/9000/900/sol9957.html
support.f5.com/kb/en-us/solutions/public/9000/900/sol9970.html