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…
Does this matter?
Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 4.4 MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.41% probability · 35th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- f5/big-ip domain name system · f5/big-ip global traffic manager · f5/enterprise manager · f5/big-iq centralized management · f5/big-iq cloud and orchestration · f5/f5 iworkflow
- Source
- f5sirt@f5.com
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/104920Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041340Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041341Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K82038789Vendor Advisory
- http://www.securityfocus.com/bid/104920Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041340Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041341Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K82038789Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.