Ayham-Megdadi/Zero-Day-Legacy

PoC

A vulnerable Boot-to-Root CTF lab machine simulating a hospital environment. Features a realistic 17-step attack chain including SQL Injection, XSS, Session Hijacking, SSH access, password cracking, privilege escalation via CVE-2021-3493, and full root compromise. Developed as a graduation project at Ajloun National University (ANU), awarded 97%.

view exploit source poc_in_githubauthor Ayham-Megdadipublished 2026-07-05catalog poc_in_github
01

exploited CVEs (1)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2021-3493UShigh7.8OT criticalKEV
The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. D…
scry

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