CVE-2021-32801
Nextcloud Encryption-at-Rest Log Disclosure
Description
Nextcloud server is an open source, self hosted personal cloud. In affected versions logging of exceptions may have resulted in logging potentially sensitive key material for the Nextcloud Encryption-at-Rest functionality. It is recommended that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.1.0. If upgrading is not an option users are advised to disable system logging to resolve this issue until such time that an upgrade can be performed Note that ff you do not use the Encryption-at-Rest functionality of Nextcloud you are not affected by this bug.
INFO
Published Date :
Sept. 7, 2021, 10:15 p.m.
Last Modified :
Sept. 27, 2022, 2:18 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-32801.
| URL | Resource |
|---|---|
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359h | Third Party Advisory |
| https://github.com/nextcloud/server/pull/28082 | Third Party Advisory |
| https://hackerone.com/reports/1251776 | Permissions Required Third Party Advisory |
| https://security.gentoo.org/glsa/202208-17 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-32801 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-32801 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Sep. 27, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202208-17 No Types Assigned https://security.gentoo.org/glsa/202208-17 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* versions up to (excluding) 20.0.12 *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* versions from (including) 21.0.0 up to (excluding) 21.0.4 *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* versions from (including) 22.0.0 up to (excluding) 22.1.0 OR *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* versions up to (excluding) 20.0.12 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* versions from (including) 21.0.0 up to (excluding) 21.0.4 *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* versions from (including) 22.0.0 up to (excluding) 22.1.0 -
CVE Modified by [email protected]
Aug. 11, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202208-17 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 14, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359h No Types Assigned https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359h Third Party Advisory Changed Reference Type https://github.com/nextcloud/server/pull/28082 No Types Assigned https://github.com/nextcloud/server/pull/28082 Third Party Advisory Changed Reference Type https://hackerone.com/reports/1251776 No Types Assigned https://hackerone.com/reports/1251776 Permissions Required, Third Party Advisory Added CWE NIST CWE-532 Added CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* versions up to (excluding) 20.0.12 *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* versions from (including) 21.0.0 up to (excluding) 21.0.4 *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* versions from (including) 22.0.0 up to (excluding) 22.1.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-32801 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-32801
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.12212
percentile