Vulnerability Details : CVE-2021-32654

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.11, 20.0.10, and 21.0.2, an attacker is able to receive write/read privileges on any Federated File Share. Since public links can be added as federated file share, this can also be exploited on any public link. Users can upgrade to patched versions (19.0.11, 20.0.10 or 21.0.2) or, as a workaround, disable federated file sharing.
Published 2021-06-01 21:15:08
Updated 2022-10-26 14:09:39
Source GitHub, Inc.
View at NVD,   CVE.org

Products affected by CVE-2021-32654

Exploit prediction scoring system (EPSS) score for CVE-2021-32654

EPSS FAQ
0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-32654

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
 MEDIUM AV:N/AC:L/Au:N/C:P/I:P/A:N
10.0
4.9
 NIST
9.1
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.9
5.2
 NIST
8.1
 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.2
5.9
 GitHub, Inc.

CWE ids for CVE-2021-32654

  • The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
    Assigned by: security-advisories@github.com (Primary)

References for CVE-2021-32654

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