CVE-2020-8139: Medium severity Nextcloud Server vulnerability
Published Mar 20, 2020
·Updated
A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appending /download to the URL.
Affected Software
4 affected components
Nextcloud Server>=16.0.0<16.0.9
Nextcloud Server>=17.0.0<17.0.4
Nextcloud Server>=18.0.0<18.0.1
fedoraproject fedora=32
Event History
Mar 20, 2020
CVE Published
via MITRE·08:14 PM
Data Sourced
via MITRE·08:14 PM
DescriptionWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2020-8139?
CVE-2020-8139 is classified as a medium severity vulnerability.
2
How do I fix CVE-2020-8139?
To fix CVE-2020-8139, upgrade Nextcloud Server to version 16.0.9, 17.0.4, or 18.0.1 or higher.
3
What exploit does CVE-2020-8139 allow?
CVE-2020-8139 allows unauthorized access to hide-download shares by appending /download to the URL.
4
Which versions of Nextcloud Server are affected by CVE-2020-8139?
CVE-2020-8139 affects Nextcloud Server versions earlier than 16.0.9, 17.0.4, and 18.0.1.
5
What is the impact of CVE-2020-8139?
The impact of CVE-2020-8139 is that sensitive files can be downloaded by unauthorized users.