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HIGH · 7.5

CVE-2020-5852

Undisclosed traffic patterns received may cause a disruption of service to the Traffic Management Microkernel (TMM). This vulnerability affects TMM through a virtual server configured with a FastL4 pr...

Vulnerability Description

Undisclosed traffic patterns received may cause a disruption of service to the Traffic Management Microkernel (TMM). This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. This issue only impacts specific engineering hotfixes. NOTE: This vulnerability does not affect any of the BIG-IP major, minor or maintenance releases you obtained from downloads.f5.com. The affected Engineering Hotfix builds are as follows: Hotfix-BIGIP-14.1.2.1.0.83.4-ENG Hotfix-BIGIP-12.1.4.1.0.97.6-ENG Hotfix-BIGIP-11.5.4.2.74.291-HF2

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Local Traffic Manager11.5.4.2.74.291
F5Big-Ip Advanced Firewall Manager11.5.4.2.74.291
F5Big-Ip Application Acceleration Manager11.5.4.2.74.291
F5Big-Ip Analytics11.5.4.2.74.291
F5Big-Ip Access Policy Manager11.5.4.2.74.291
F5Big-Ip Application Security Manager11.5.4.2.74.291
F5Big-Ip Edge Gateway11.5.4.2.74.291
F5Big-Ip Fraud Protection Service11.5.4.2.74.291
F5Big-Ip Global Traffic Manager11.5.4.2.74.291
F5Big-Ip Link Controller11.5.4.2.74.291
F5Big-Ip Policy Enforcement Manager11.5.4.2.74.291
F5Big-Ip Webaccelerator11.5.4.2.74.291
F5Big-Ip Domain Name System11.5.4.2.74.291

References

FAQ

What is CVE-2020-5852?

CVE-2020-5852 is a vulnerability with a CVSS score of 7.5 (HIGH). Undisclosed traffic patterns received may cause a disruption of service to the Traffic Management Microkernel (TMM). This vulnerability affects TMM through a virtual server configured with a FastL4 pr...

How severe is CVE-2020-5852?

CVE-2020-5852 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-5852?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Local Traffic Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Analytics, F5 Big-Ip Access Policy Manager.