CVE-2020-21522

9.8 criticalEPSS 1.5%

Critical (9.8) in halo halo. EPSS 1.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2020-09-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

halo:halo

References

https://github.com/halo-dev/halo/issues/418
https://github.com/halo-dev/halo/issues/418

Check your stack JSON