Vulnerability Report

CVE-2021-41181

Title: Nextcloud Talk Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2021-41181.

CWE Category CWE-287
Published Date Mar 08, 2022
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 2.4 CVSS v3.1
Exploit Probability (EPSS)
0.31%

Vulnerability Summary

CVE-2021-41181: Nextcloud talk is a self hosting messaging service. In versions prior to 12.3.0 the Nextcloud Android Talk application did not properly detect the lockscreen state when a call was incoming. If an attacker got physical access to the locked phone, and the victim received a phone call the attacker could gain access to the chat messages and files of the user. It is recommended that the Nextcloud Android Talk App is upgraded to 12.3.0. There are no known workarounds.

Impacted Vendors

G
google 1
D
drupal 1
N
nextcloud 1

Reference Links

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-497c-c8hx-6qcf https://github.com/nextcloud/talk-android/pull/1585 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-497c-c8hx-6qcf https://github.com/nextcloud/talk-android/pull/1585
CVSS v3.1
Source Entity [email protected]
Severity LOW
2.4
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v3.1
Source Entity [email protected]
Severity LOW
2.4
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v2.0
Source Entity [email protected]
Severity LOW
2.1
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-41181 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 PHYSICAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Stack

No specific products linked.