Privilege Escalation Affecting nextcloud package, versions [,20.0.6)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.18% (56th percentile)

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  • Snyk IDSNYK-UNMANAGED-NEXTCLOUD-2371506
  • published26 Jan 2022
  • disclosed3 Mar 2021
  • creditUnknown

Introduced: 3 Mar 2021

CVE-2021-22877  (opens in a new tab)
CWE-269  (opens in a new tab)

How to fix?

Upgrade nextcloud to version 20.0.6 or higher.

Overview

Affected versions of this package are vulnerable to Privilege Escalation. A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.

CVSS Scores

version 3.1