CVE-2018-5542
UnknownEPSS 1.24%
Last modified
CVE-2018-5542 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Local Traffic Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Local Traffic Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Local Traffic Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Analytics | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Analytics | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Analytics | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Access Policy Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Access Policy Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Access Policy Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Application Security Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Application Security Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Application Security Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Domain Name System | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Domain Name System | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Domain Name System | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Edge Gateway | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Edge Gateway | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Edge Gateway | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Fraud Protection Service | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Fraud Protection Service | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Fraud Protection Service | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Global Traffic Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Global Traffic Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Global Traffic Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Link Controller | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Link Controller | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Link Controller | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Policy Enforcement Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Policy Enforcement Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Webaccelerator | >= 11.2.1, <= 11.6.3 |
| F5 | Big-Ip Webaccelerator | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Webaccelerator | >= 13.0.0, <= 13.0.1 |
References
- https://support.f5.com/csp/article/K05112543Vendor Advisory
- https://support.f5.com/csp/article/K05112543Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-5542?
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?
Severity scoring for CVE-2018-5542 is pending analysis. The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5542?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-5542?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST