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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.011 (64.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-21527: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

  • Halo — versions 1.1.3

Weakness classification (CWE)

References

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.