Vulnerability in F5 Big-Ip Domain Name System
CVE-2018-5538
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".
EPSS: 0.008 (52.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- F5 Big-ip_domain_name_system
- F5 Big-ip_global_traffic_manager
- F5 Big-ip_link_controller
- F5 Big-ip_local_traffic_manager
- F5 Networks, Inc. Big-ip (Dns) — versions 13.1.0-13.1.0.7, 12.1.3-12.1.3.5
References
- f5sirt@f5.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-5538?
- CVE-2018-5538 is a low-severity vulnerability in F5 Big-Ip Domain Name System. CVSS score: 3.7/10. Published 2018-07-25.
- How severe is CVE-2018-5538?
- Low severity. CVSS v3 base score is 3.7 out of 10.