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Case File

CVE-2020-21522

CRITICAL · CVSS 9.8 EPSS 1.53% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-09-30 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-21522
Severity
CRITICAL
CVSS
9.8
EPSS
1.53%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)