Vulnerability Description
F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.
CVSS Score
8.1
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Local Traffic Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Analytics | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Access Policy Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Application Security Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Domain Name System | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Edge Gateway | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Fraud Protection Service | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Global Traffic Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Link Controller | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Policy Enforcement Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Webaccelerator | >= 11.2.1, <= 11.6.3 |
Related Weaknesses (CWE)
References
- https://support.f5.com/csp/article/K05112543Vendor Advisory
- https://support.f5.com/csp/article/K05112543Vendor Advisory
FAQ
What is CVE-2018-5542?
CVE-2018-5542 is a vulnerability with a CVSS score of 8.1 (HIGH). F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.
How severe is CVE-2018-5542?
CVE-2018-5542 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-5542?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Local Traffic Manager, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Access Policy Manager.