CVE-2018-5538

Description

On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Express / DNS Zones accept NOTIFY messages on the management interface from source IP addresses not listed in the 'Allow NOTIFY From' configuration parameter when the db variable "dnsexpress.notifyport" is set to any value other than the default of "0".

3.7

CVSS

Severity: Low

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.38%

Vendor Advisory f5.com

Affected: F5 Networks, Inc. BIG-IP (DNS)

References

Link	Tags
https://support.f5.com/csp/article/K45435121	mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-5538?: CVE-2018-5538 has been scored as a low severity vulnerability.
How to fix CVE-2018-5538?: To fix CVE-2018-5538, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5538 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2018-5538 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5538?: CVE-2018-5538 affects F5 Networks, Inc. BIG-IP (DNS).

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