While everybody has been talking about Ivanti vulnerabilities such as CVE-2024-21887 (remote code execution via path traversal - our tag) and CVE-2024-21893 (remote code execution via server-side request forgery - our tag), our labs' team ran into some online discussions about CVE-2021-44529. According to Ivanti's advisory), it's due to "code injection," but online sources claimed it's actually a backdoor. A mystery!   

In a brand new GreyNoise Labs Grimoire blog, Ron pulls out his archaeology tools and investigates what little evidence of this vulnerability remains. While most details have been flushed down the memory hole, tools like the Wayback Machine still have archives that we can explore.

Would you like to know more? Check out the blog!

This article is a summary of the full, in-depth version on the GreyNoise Labs blog.
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