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This search detects remote code exploit attempts on F5 BIG-IP, BIG-IQ, and Traffix SDC devices

  • Type: TTP
  • Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
  • Datamodel:
  • Last Updated: 2020-08-02
  • Author: Shannon Davis, Splunk
  • ID: 810e4dbc-d46e-11ea-87d0-0242ac130003


ID Technique Tactic
T1190 Exploit Public-Facing Application Initial Access
| regex _raw="(hsqldb;
| search `detect_f5_tmui_rce_cve_2020_5902_filter`

Associated Analytic Story

How To Implement

To consistently detect exploit attempts on F5 devices using the vulnerabilities contained within CVE-2020-5902 it is recommended to ingest logs via syslog. As many BIG-IP devices will have SSL enabled on their management interfaces, detections via wire data may not pick anything up unless you are decrypting SSL traffic in order to inspect it. I am using a regex string from a Cloudflare mitigation technique to try and always catch the offending string (..;), along with the other exploit of using (hsqldb;).

Required field

  • _time

Kill Chain Phase

  • Exploitation

Known False Positives



ID Summary CVSS
CVE-2020-5902 In BIG-IP versions 15.0.0-, 14.1.0-, 13.1.0-, 12.1.0-, and 11.6.1-, the Traffic Management User Interface (TMUI), also referred to as the Configuration utility, has a Remote Code Execution (RCE) vulnerability in undisclosed pages. 10.0


Test Dataset

Replay any dataset to Splunk Enterprise by using our replay.py tool or the UI. Alternatively you can replay a dataset into a Splunk Attack Range

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