Traffic Management Microkernel Vulnerability in F5 BIG-IP Virtual Edition
CVE-2020-5939

7.5HIGH

Key Information:

Vendor
F5
Status
Big-ip Virtual Edition (ve)
Vendor
CVE Published:
5 November 2020

Summary

In specific versions of F5 BIG-IP Virtual Edition systems running on VMware, an issue arises when utilizing an Intel-based 85299 Network Interface Controller (NIC) card with Single Root I/O Virtualization (SR-IOV) enabled in vSphere. This vulnerability can cause the Traffic Management Microkernel (TMM) to fail, resulting in an inability to transmit traffic. This could potentially disrupt network services and affect overall system performance.

Affected Version(s)

BIG-IP Virtual Edition (VE) 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, 13.1.0-13.1.3.4

References

https://support.f5.com/csp/article/K75111593
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.