CVE-2020-28645

EUVD-2020-21043
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 48%
Affected Products (NVD)
VendorProductVersion
owncloudowncloud
𝑥
< 10.6.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
owncloud
bionic
dne
focal
dne
groovy
dne
trusty
dne
xenial
dne
Common Weakness Enumeration
References
https://owncloud.com/security-advisories/missing-user-validation-leading-to-information-disclosure/
https://owncloud.com/security-advisories/missing-user-validation-leading-to-information-disclosure/