Vulnerability in F5 Big-Ip Domain Name System

CVE-2018-5540

On F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.3, 11.6.0-11.6.3.1, or 11.5.1-11.5.6, Enterprise Manager 3.1.1, BIG-IQ Centralized Management 5.0.0-5.1.0, BIG-IQ Cloud and Orchestration 1.0.0, or F5 iWorkflow 2.1.0-2.3.0 the big3d process does not irrevocably minimize group privileges at start up.

EPSS: 0.004 (33.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
  • f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)
  • f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2018-5540?
CVE-2018-5540 is a medium-severity vulnerability in F5 Big-Ip Domain Name System, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.4/10. Published 2018-07-19.
How severe is CVE-2018-5540?
Medium severity. CVSS v3 base score is 4.4 out of 10.