Vulnerability Details : 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.
Published 2020-03-20 21:15:18
Updated 2022-06-04 03:36:06
Source HackerOne
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Products affected by CVE-2020-8139

Exploit prediction scoring system (EPSS) score for CVE-2020-8139

EPSS FAQ
0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-8139

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
 MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
 NIST
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.8
3.6
 NIST

CWE ids for CVE-2020-8139

  • The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
    Assigned by: support@hackerone.com (Secondary)
  • The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-8139

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