CVE-2020-8139

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
hackeroneCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 80%
VendorProductVersion
nextcloudnextcloud_server
16.0.0 ≤
𝑥
< 16.0.9
nextcloudnextcloud_server
17.0.0 ≤
𝑥
< 17.0.4
nextcloudnextcloud_server
18.0.0 ≤
𝑥
< 18.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://hackerone.com/reports/788257
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
https://nextcloud.com/security/advisory/?id=NC-SA-2020-015
https://hackerone.com/reports/788257
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
https://nextcloud.com/security/advisory/?id=NC-SA-2020-015