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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:N/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://nextcloud.com/security/advisory/?id=NC-SA-2020-015	Vendor Advisory
https://hackerone.com/reports/788257	Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:nextcloud_server::::::::
	cpe:2.3:a:nextcloud:nextcloud_server::::::::
	cpe:2.3:a:nextcloud:nextcloud_server::::::::

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Information

Published : 2020-03-20 14:15

Updated : 2022-06-03 20:36

NVD link : CVE-2020-8139

Mitre link : CVE-2020-8139

JSON object : View

CWE

CWE-862

Missing Authorization

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Products Affected

fedoraproject

fedora

nextcloud

nextcloud_server

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