What is CVE-2020-28645?

CVE-2020-28645 is a critical-severity vulnerability in Owncloud, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2021-02-09.

How severe is CVE-2020-28645?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Improper input validation in Owncloud

CVE-2020-28645

Deleting users with certain names caused system files to be deleted. Risk is higher for systems which allow users to register themselves and have the data directory in the web root. This affects ownCloud/core versions < 10.6.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (66.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Owncloud
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-28645?: CVE-2020-28645 is a critical-severity vulnerability in Owncloud, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2021-02-09.
How severe is CVE-2020-28645?: Critical severity. CVSS v3 base score is 9.1 out of 10.