What’s Vulnerable › Vulnerabilities

CVE-2018-5516

• Severity: medium (CVSS 4.7 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-05-02 · updated 2026-06-17
• Weakness: CWE-732

Description

On F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.2, or 11.2.1-11.6.3.1, Enterprise Manager 3.1.1, BIG-IQ Centralized Management 5.0.0-5.4.0 or 4.6.0, BIG-IQ Cloud and Orchestration 1.0.0, or F5 iWorkflow 2.0.2-2.3.0, authenticated users granted TMOS Shell (tmsh) access can access objects on the file system which would normally be disallowed by tmsh restrictions. This allows for authenticated, low privileged attackers to exfiltrate objects on the file system which should not be allowed.

Affected products

• F5 BIG-IP APM: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• BIG-IP: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 Big-Ip Analytics: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 Networks, Inc. BIG-IP (AAM): from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• BIG-IP ASM: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 BIG-IP DNS: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 Big-Ip Edge Gateway: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 Networks BIG-IP, Enterprise Manager: 3.1.1
• F5 Big-Ip Global Traffic Manager: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 Big-Ip Link Controller: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 BIG-IP (LTM): from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 Networks, Inc. BIG-IP (PEM): from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 Big-Ip Webaccelerator: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 Big-Ip Websafe: from 11.2.1 through 11.6.3; from 12.1.0 through 12.1.2; from 13.0.0 through 13.1.0
• F5 BIG-IQ: from 5.0.0 through 5.4.0; 4.6.0
• F5 Networks, Inc. BIG-IQ Cloud and Orchestration: 1.0.0
• F5 Networks, Inc. F5 iWorkflow: from 2.0.2 through 2.3.0

References

• http://www.securitytracker.com/id/1040799
• http://www.securitytracker.com/id/1040800
• https://support.f5.com/csp/article/K37442533
• http://www.securitytracker.com/id/1040799
• http://www.securitytracker.com/id/1040800
• https://support.f5.com/csp/article/K37442533

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