CVE-2018-5540

lowpriority · track · 18EPSS 0.004 · 35 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.41% (35th) EPSS

CVSS 2.1 · low

Is it mine?

20 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

4.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–4.4

v2.02.1lowAV:L/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.04.4mediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 0.8 · impact 3.6

v3.04.1mediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732USprimary

affected products (20)

Products and version ranges known to be affected.

F5 Networks, Inc. BIG-IP (DNS, GTM)≤ 12.1.0-12.1.3.3enisa_euvdEU
F5 Networks, Inc. BIG-IP (DNS, GTM)≤ 11.6.0-11.6.3.1enisa_euvdEU
F5 Networks, Inc. BIG-IP (DNS, GTM)≤ 11.5.1-11.5.6enisa_euvdEU
F5 Networks, Inc. BIG-IP (DNS, GTM)≤ 13.0.0-13.0.1enisa_euvdEU
F5 Networks, Inc. BIG-IQ Centralized Management≤ 5.0.0-5.1.0enisa_euvdEU
F5 Networks, Inc. BIG-IQ Cloud and Orchestration≤ 1.0.0enisa_euvdEU
F5 Networks, Inc. Enterprise Manager≤ 3.1.1enisa_euvdEU
F5 Networks, Inc. F5 iWorkflow≤ 2.1.0-2.3.0enisa_euvdEU
f5 big-ip domain name system11.5.1 → 11.5.6nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip domain name system11.6.0 → 11.6.3.1nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip domain name system12.1.0 → 12.1.3.3nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip domain name system13.0.0 → 13.0.1nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip global traffic manager11.5.1 → 11.5.6nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip global traffic manager11.6.0 → 11.6.3.1nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip global traffic manager12.1.0 → 12.1.3.3nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip global traffic manager13.0.0 → 13.0.1nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-iq centralized management5.0.0 → 5.1.0nvdUScpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*
f5 big-iq cloud and orchestration= 1.0.0nvdUScpe:2.3:a:f5:big-iq_cloud_and_orchestration:*:*:*:*:*:*:*:*
f5 enterprise manager= 3.1.1nvdUScpe:2.3:a:f5:enterprise_manager:*:*:*:*:*:*:*:*
f5 f5 iworkflow2.1.0 → 2.3.0nvdUScpe:2.3:a:f5:f5_iworkflow:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-07-19modified 2026-06-17

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references (12)

External citations — patches, advisories, analysis.

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