Medium severity · published Jul 19, 2018
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…
4.4
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BD
Big-ip Domain Name System · F5
11.5.1 through 11.5.6; 11.6.0 through 11.6.3.1; 12.1.0 through 12.1.3.3; 13.0.0 through 13.0.1 · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.5.1 through 11.5.6; 11.6.0 through 11.6.3.1; 12.1.0 through 12.1.3.3; 13.0.0 through 13.0.1 · source: NVD
BC
Big-iq Centralized Management · F5
5.0.0 through 5.1.0 · source: NVD
BC
Big-iq Cloud And Orchestration · F5
1.0.0 · source: NVD
EM
Enterprise Manager · F5
3.1.1 · source: NVD
FI
F5 Iworkflow · F5
2.1.0 through 2.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5540
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5540
Third Party Advisory
http://www.securityfocus.com/bid/104920
Third Party Advisory
http://www.securitytracker.com/id/1041340
Third Party Advisory
http://www.securitytracker.com/id/1041341
Vendor Advisory
https://support.f5.com/csp/article/K82038789
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