CVE-2020-21522

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p73

Published

Sep 30, 2020 (Sep 30, 2020)

Modified

Jun 17, 2026

Description

An issue was discovered in halo V1.1.3. A Zip Slip Directory Traversal Vulnerability in the backend,the attacker can overwrite some files, such as ftl files, .bashrc files in the user directory, and finally get the permissions of the operating system.

Vendors: halo
Products: halo
Weakness: CWE-22
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.5%)

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