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Vulnerability record · CVE-2018-15320 · published 31 October 2018

CVE-2018-15320: F5 big-ip local traffic manager vulnerability

F5 · Big Ip Local Traffic Manager

On BIG-IP 14.0.0-14.0.0.2 or 13.0.0-13.1.1.1, undisclosed traffic patterns may lead to denial of service conditions for the BIG-IP system. The configuration which exposes this condition is the BIG-IP self IP address which is part of a VLAN group and has the Port Lockdown setting configured with anything other than "allow-all".

7.5 CVSS 3.0 High EPSS 1.3% · top 30.0%
7.5CVSS 3.0 base score, v2 5.0
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

On BIG-IP 14.0.0-14.0.0.2 or 13.0.0-13.1.1.1, undisclosed traffic patterns may lead to denial of service conditions for the BIG-IP system. The configuration which exposes this condition is the BIG-IP self IP address which is part of a VLAN group and has the Port Lockdown setting configured with anything other than "allow-all".

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

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.f5.com/csp/article/K72442354 MitigationVendor Advisory
https://support.f5.com/csp/article/K72442354 MitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-15320), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.