Vulnerability Report

CVE-2021-41166

Title: Nextcloud Information Disclosure

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2021-41166.

CWE Category CWE-276
Published Date Jan 26, 2022
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 4.3 CVSS v3.1
Exploit Probability (EPSS)
0.95%

Vulnerability Summary

CVE-2021-41166: The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.

Impacted Vendors

N
nextcloud 1

Reference Links

https://github.com/nextcloud/android/commit/aa47197109970b8449c4e44601eba36e3481b086 https://github.com/nextcloud/android/commit/b6ecf515b38c2d82d32743f27236534f3e03ee0c https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wrwg-jwpg-r3c4 https://hackerone.com/reports/1358597 https://github.com/nextcloud/android/commit/aa47197109970b8449c4e44601eba36e3481b086 https://github.com/nextcloud/android/commit/b6ecf515b38c2d82d32743f27236534f3e03ee0c https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wrwg-jwpg-r3c4 https://hackerone.com/reports/1358597
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-41166 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Stack

No specific products linked.