Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
CVE-2022-22965, Spring4Shell, let attackers write a JSP web shell to Spring MVC apps on JDK 9+ by abusing data binding. Here is the ClassLoader trick and the exact conditions required.
Log4Shell (CVE-2021-44228) let attackers gain RCE via a single logged string. Here's the CVSS/EPSS/KEV context, timeline, and how to remediate it.
CVE-2023-46604 is an unauthenticated remote code execution flaw in Apache ActiveMQ's OpenWire protocol, rated CVSS 10.0. Here is how it works, how ransomware crews weaponized it, and how to remediate.
CVE-2017-0144 is the SMBv1 remote code execution bug that powered WannaCry and NotPetya. Here is how the EternalBlue exploit works, why it spread, and how to stay clear of it today.
CVE-2020-1938 turned Tomcat's default AJP connector into a file-disclosure and RCE primitive. Here's how the request-attribute abuse works and how to shut it down.
An unauthenticated attacker could run code on a GitLab server just by uploading an image. The bug was not in GitLab at all — it was in ExifTool. Here is the full story.
CVE-2014-0160, Heartbleed, let remote attackers read up to 64KB of an OpenSSL server's memory per request — private keys, sessions, passwords. Here is the missing bounds check that caused it.
A protocol-level flaw in HTTP/2 turned a normal feature into the largest DDoS attacks ever recorded. Here is how Rapid Reset works and which library versions fix it.
CVE-2021-26855, ProxyLogon, is a server-side request forgery in Microsoft Exchange that let unauthenticated attackers impersonate the server — the first link in a chain to full remote code execution.
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