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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…
Medium4.4EPSS 0.41%
- Published
- Updated
- Reserved
- Assigned by
- f5
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.4 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.41% · top 64% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.
Weakness
- Privilege escalation
- CWE-732 (opens in a new tab)All about CWE-732 and its CVEs
Affected products
F5 Networks, Inc. · BIG-IP (DNS, GTM)
- affected 13.0.0-13.0.1
- affected 12.1.0-12.1.3.3
- affected 11.6.0-11.6.3.1
- affected 11.5.1-11.5.6
F5 Networks, Inc. · Enterprise Manager
- affected 3.1.1
F5 Networks, Inc. · BIG-IQ Centralized Management
- affected 5.0.0-5.1.0
F5 Networks, Inc. · BIG-IQ Cloud and Orchestration
- affected 1.0.0
F5 Networks, Inc. · F5 iWorkflow
- affected 2.1.0-2.3.0
References (4)
- 1041340 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://support.f5.com/csp/article/K82038789 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 104920 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1041341 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-5540)Record last updated .