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Denia of service in BIG-IP TMM

Published: 2020-01-14
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-5852
Exploitation vector Network
Public exploit N/A
Vulnerable software
Hardware solutions / Firmware

Vendor F5 Networks, Inc.

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Input validation error

Severity: Medium

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-5852

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Traffic Management Microkernel (TMM). A remote attacker can send specially crafted traffic to the system and cause it to restart.


The vulnerability affects only listed BIG-IP engineering hotfixes.

To solve the issue, remove the listed hotfix or contact your vendor for technical support.

Vulnerable software versions

BIG-IP: Hotfix-BIGIP-, Hotfix-BIGIP-, Hotfix-BIGIP-

CPE External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.