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CVE-2020-5939

HIGHCVSS 7.5/10EPSS 1.00%

Last modified

CVE-2020-5939 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, and 13.1.0-13.1.3.4, BIG-IP Virtual Edition (VE) systems on VMware, with an Intel-based 85299 Network Interface Controller (NIC) card and Single Root I/O Virtualization (SR-IOV) enabled on vSphere, may fail and leave the Traffic Management Microkernel (TMM) in a state where it cannot transmit traffic.. EPSS estimates a 1.00% chance of exploitation in the next 30 days.

Description

In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, and 13.1.0-13.1.3.4, BIG-IP Virtual Edition (VE) systems on VMware, with an Intel-based 85299 Network Interface Controller (NIC) card and Single Root I/O Virtualization (SR-IOV) enabled on vSphere, may fail and leave the Traffic Management Microkernel (TMM) in a state where it cannot transmit traffic.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
1.00%

58.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Access Policy Manager>= 14.1.0, < 14.1.2.7
F5Big-Ip Access Policy Manager>= 15.1.0, < 15.1.0.4
F5Big-Ip Access Policy Manager>= 16.0.0, < 16.0.1
F5Big-Ip Advanced Firewall Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Advanced Firewall Manager>= 14.1.0, < 14.1.2.7
F5Big-Ip Advanced Firewall Manager>= 15.1.0, < 15.1.0.4
F5Big-Ip Advanced Firewall Manager>= 16.0.0, < 16.0.1
F5Big-Ip Advanced Web Application Firewall>= 13.1.0, <= 13.1.3
F5Big-Ip Advanced Web Application Firewall>= 14.1.0, < 14.1.2.7
F5Big-Ip Advanced Web Application Firewall> 15.1.0, < 15.1.0.4
F5Big-Ip Advanced Web Application Firewall>= 16.0.0, < 16.0.1
F5Big-Ip Analytics>= 13.1.0, <= 13.1.3
F5Big-Ip Analytics>= 14.1.0, < 14.1.2.7
F5Big-Ip Analytics>= 15.1.0, < 15.1.0.4
F5Big-Ip Analytics>= 16.0.0, < 16.0.1
F5Big-Ip Application Acceleration Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Application Acceleration Manager>= 14.1.0, < 14.1.2.7
F5Big-Ip Application Acceleration Manager>= 15.1.0, < 15.1.0.4
F5Big-Ip Application Acceleration Manager>= 16.0.0, < 16.0.1
F5Big-Ip Application Security Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Application Security Manager>= 14.1.0, < 14.1.2.7
F5Big-Ip Application Security Manager>= 15.1.0, < 15.1.0.4
F5Big-Ip Application Security Manager>= 16.0.0, < 16.0.1
F5Big-Ip Ddos Hybrid Defender>= 13.1.0, <= 13.1.3
F5Big-Ip Ddos Hybrid Defender>= 14.1.0, < 14.1.2.7
F5Big-Ip Ddos Hybrid Defender>= 15.1.0, < 15.1.0.4
F5Big-Ip Ddos Hybrid Defender>= 16.0.0, < 16.0.1
F5Big-Ip Domain Name System>= 13.1.0, <= 13.1.3
F5Big-Ip Domain Name System>= 14.1.0, < 14.1.2.7
F5Big-Ip Domain Name System>= 15.1.0, < 15.1.0.4
F5Big-Ip Domain Name System>= 16.0.0, < 16.0.1
F5Big-Ip Fraud Protection Service>= 13.1.0, <= 13.1.3
F5Big-Ip Fraud Protection Service>= 14.1.0, < 14.1.2.7
F5Big-Ip Fraud Protection Service>= 15.1.0, < 15.1.0.4
F5Big-Ip Fraud Protection Service>= 16.0.0, < 16.0.1
F5Big-Ip Global Traffic Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Global Traffic Manager>= 14.1.0, < 14.1.2.7
F5Big-Ip Global Traffic Manager>= 15.1.0, < 15.1.0.4
F5Big-Ip Global Traffic Manager>= 16.0.0, < 16.0.1
F5Big-Ip Link Controller>= 13.1.0, <= 13.1.3
F5Big-Ip Link Controller>= 14.1.0, < 14.1.2.7
F5Big-Ip Link Controller>= 15.1.0, < 15.1.0.4
F5Big-Ip Link Controller>= 16.0.0, < 16.0.1
F5Big-Ip Local Traffic Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Local Traffic Manager>= 14.1.0, < 14.1.2.7
F5Big-Ip Local Traffic Manager>= 15.1.0, < 15.1.0.4
F5Big-Ip Local Traffic Manager>= 16.0.0, < 16.0.1
F5Big-Ip Policy Enforcement Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Policy Enforcement Manager>= 14.1.0, < 14.1.2.7

Showing 50 of 56 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-5939?
In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, and 13.1.0-13.1.3.4, BIG-IP Virtual Edition (VE) systems on VMware, with an Intel-based 85299 Network Interface Controller (NIC) card and Single Root I/O Virtualization (SR-IOV) enabled on vSphere, may fail and leave the Traffic Management Microkernel (TMM) in a state where it cannot transmit traffic.
How severe is CVE-2020-5939?
CVE-2020-5939 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5939?
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-2020-5939?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST