by Julien Ahrens | Thursday, April 10, 2025 | Advisory, CVE, Exploit
In late 2023, we’ve discovered and coordinated a quite interesting vulnerability affecting the Emarsys SDK for Android versions 3.6.1 and below with the respective vendor, SAP. While the overall coordination process went smoothly, the security advisory published...
by Julien Ahrens | Wednesday, April 12, 2023 | Advisory, CVE, Exploit
While my last finding affecting SecurePoint’s UTM was quite interesting already, I was hit by a really hard OpenSSL Heartbleed flashback with this one. The following exploit works against both the admin portal on port 11115 as well as the user portal on port...
by Julien Ahrens | Tuesday, April 11, 2023 | Advisory, CVE, Exploit
While working on a recent customer engagement, I discovered two fascinating and somewhat weird bugs in SecurePoint’s UTM firewall solution. The first one, aka CVE-2023-22620, is rated critical for an attacker to bypass the entire authentication and gain access...
by Julien Ahrens | Monday, September 14, 2020 | Advisory, CVE
You have probably read one or more blog posts about SSRFs, many being escalated to RCE. While this might be the ultimate goal, this post is about an often overlooked impact of SSRFs: application logic impact. This post will tell you the story about an unauthenticated...
by Julien Ahrens | Tuesday, April 9, 2019 | Advisory, Bug Bounty
This is the story of an unauthenticated RCE affecting one of Dropbox’s in scope vendors during last year’s H1-3120 event. It’s one of my more recon-intensive, yet simple, vulnerabilities, and it (probably) helped me to become MVH by the end of the...
