CVE-2020-5935: Medium severity f5 access policy manager vulnerability

Q: What is the severity of CVE-2020-5935?

CVE-2020-5935 is rated as a critical vulnerability affecting specific versions of F5 BIG-IP products.

Q: How do I fix CVE-2020-5935?

To fix CVE-2020-5935, upgrade to version 15.1.1, 14.1.2.4, or 13.1.3.4 of the affected F5 BIG-IP products.

Q: Which versions are affected by CVE-2020-5935?

CVE-2020-5935 affects F5 BIG-IP versions 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3.

Q: What type of vulnerability is CVE-2020-5935?

CVE-2020-5935 is a vulnerability that occurs when handling MQTT traffic through specific configurations in F5 BIG-IP.

Q: Is there a workaround for CVE-2020-5935?

While upgrading is the best solution, temporarily disabling MQTT traffic could serve as a workaround for CVE-2020-5935.

Published Oct 29, 2020

Updated

On BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, FPS, GTM, Link Controller, PEM) versions 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when handling MQTT traffic through a BIG-IP virtual server associated with an MQTT profile and an iRule performing manipulations on that traffic, TMM may produce a core file.

Affected Software

33 affected components

F5 BIG-IP Access Policy Manager>=13.1.0<13.1.3.4

F5 BIG-IP Access Policy Manager>=14.1.0<14.1.2.4

F5 BIG-IP Access Policy Manager>=15.0.0<15.1.1

F5 BIG-IP Advanced Firewall Manager>=13.1.0<13.1.3.4

F5 BIG-IP Advanced Firewall Manager>=14.1.0<14.1.2.4

F5 BIG-IP Advanced Firewall Manager>=15.0.0<15.1.1

F5 BIG-IP Analytics>=13.1.0<13.1.3.4

F5 BIG-IP Analytics>=14.1.0<14.1.2.4

F5 BIG-IP Analytics>=15.0.0<15.1.1

F5 Big-ip Application Acceleration Manager>=13.1.0<13.1.3.4

F5 Big-ip Application Acceleration Manager>=14.1.0<14.1.2.4

F5 Big-ip Application Acceleration Manager>=15.0.0<15.1.1

F5 BIG-IP Application Security Manager>=13.1.0<13.1.3.4

F5 BIG-IP Application Security Manager>=14.1.0<14.1.2.4

F5 BIG-IP Application Security Manager>=15.0.0<15.1.1

F5 Big-ip Domain Name System>=13.1.0<13.1.3.4

F5 Big-ip Domain Name System>=14.1.0<14.1.2.4

F5 Big-ip Domain Name System>=15.0.0<15.1.1

F5 Big-ip Fraud Protection Service>=13.1.0<13.1.3.4

F5 Big-ip Fraud Protection Service>=14.1.0<14.1.2.4

F5 Big-ip Fraud Protection Service>=15.0.0<15.1.1

F5 Big-ip Global Traffic Manager>=13.1.0<13.1.3.4

F5 Big-ip Global Traffic Manager>=14.1.0<14.1.2.4

F5 Big-ip Global Traffic Manager>=15.0.0<15.1.1

F5 Big-ip Link Controller>=13.1.0<13.1.3.4

F5 Big-ip Link Controller>=14.1.0<14.1.2.4

F5 Big-ip Link Controller>=15.0.0<15.1.1

F5 Big-ip Local Traffic Manager>=13.1.0<13.1.3.4

F5 Big-ip Local Traffic Manager>=14.1.0<14.1.2.4

F5 Big-ip Local Traffic Manager>=15.0.0<15.1.1

F5 Big-ip Policy Enforcement Manager>=13.1.0<13.1.3.4

F5 Big-ip Policy Enforcement Manager>=14.1.0<14.1.2.4

F5 Big-ip Policy Enforcement Manager>=15.0.0<15.1.1

Event History

Oct 29, 2020

CVE Published

via MITRE·03:07 PM

Data Sourced

via MITRE·03:07 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2020-5935?

CVE-2020-5935 is rated as a critical vulnerability affecting specific versions of F5 BIG-IP products.

How do I fix CVE-2020-5935?

To fix CVE-2020-5935, upgrade to version 15.1.1, 14.1.2.4, or 13.1.3.4 of the affected F5 BIG-IP products.

Which versions are affected by CVE-2020-5935?