What is CVE-2020-21527?

CVE-2020-21527 is a high-severity vulnerability in Halo, classified under Path Traversal. CVSS score: 7.7/10. Published 2020-09-30.

How severe is CVE-2020-21527?

High severity. CVSS v3 base score is 7.7 out of 10.

Path Traversal in Halo

CVE-2020-21527

There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

Affected products

Halo — versions 1.1.3
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-21527?: CVE-2020-21527 is a high-severity vulnerability in Halo, classified under Path Traversal. CVSS score: 7.7/10. Published 2020-09-30.
How severe is CVE-2020-21527?: High severity. CVSS v3 base score is 7.7 out of 10.