microsoft-exchange
Safeguard articles tagged "microsoft-exchange" — guides, analysis, and best practices for software supply chain and application security.
3 articles
ProxyShell (CVE-2021-34473) Explained: The Exchange Path Confusion Behind a Pre-Auth RCE Chain
CVE-2021-34473 is the path-confusion flaw at the head of ProxyShell — a three-bug Microsoft Exchange chain that took unauthenticated attackers all the way to remote code execution.
ProxyLogon (CVE-2021-26855) Explained: The Exchange SSRF That Opened a Pre-Auth Door
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.
ProxyLogon Microsoft Exchange RCE chain (CVE-2021-26855)
A deep dive into ProxyLogon (CVE-2021-26855 and chain): the unauthenticated Exchange RCE that enabled HAFNIUM and mass ransomware attacks.
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