CVE-2020-5902 F5 BIG-IP Exploitation Attempt

Published: 2020-07-05
Last Updated: 2020-07-05 17:10:09 UTC
by Didier Stevens (Version: 1)
1 comment(s)

A quick heads-up: we are seeing scans for F5 BIG-IP's vulnerability CVE-2020-5902.

They look like this (Host header redacted):

GET /tmui/login.jsp/..;/tmui/util/getTabSet.jsp?tabId=jaffa HTTP/1.1
Host:x.x.x.x
User-Agent: Nuclei - Open-source project (github.com/projectdiscovery/nuclei)
Accept: */*
Accept-Language: en
Connection: close
Accept-Encoding: gzip

Here is a sigma rule for CVE-2020-5902.

Didier Stevens
Senior handler
Microsoft MVP
blog.DidierStevens.com DidierStevensLabs.com

1 comment(s)

Comments

We've already seen exploitation since Friday - https://research.nccgroup.com/2020/07/05/rift-f5-networks-k52145254-tmui-rce-vulnerability-cve-2020-5902-intelligence/

Diary Archives