CVE-2021-32801: Insertion of Sensitive Information into Log File

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...

CVE-2021-32766: Generation of Error Message Containing Sensitive Information

Nextcloud Text is an open source plaintext editing application which ships with the nextcloud server. In affected versions the Nextcloud Text application returned different error messages depending on whether a folder existed in a public link share. This is problematic in case the public link sha...

CVE-2021-32782: Improper Neutralization of Input During Web Page Generation

Nextcloud Circles is an open source social network built for the nextcloud ecosystem. In affected versions the Nextcloud Circles application is vulnerable to a stored Cross-Site Scripting XSS vulnerability. Due the strict Content-Security-Policy shipped with Nextcloud, this issue is not exploitab...

NextCloud security vulnerabilities

Nextcloud Text is an open source self-hosted file synchronization and sharing communication application platform from the German company Nextcloud. Nextcloud Text has a security vulnerability that could be exploited by attackers to enumerate folders in such shares...

CVE-2021-37628: Authorization Bypass Through User-Controlled Key

Nextcloud Richdocuments is an open source collaborative office suite. In affected versions the File Drop features "Upload Only" public link shares in Nextcloud can be bypassed using the Nextcloud Richdocuments app. An attacker was able to read arbitrary files in such a share. It is recommended th...

NextCloud security vulnerabilities

Deck is a Kanban-style organization tool. Designed for individual planning and project organization for teams integrated with Nextcloud, a security vulnerability exists in Deck that stems from the Deck application not properly checking for user membership in a Circle. An attacker could exploit th...

NextCloud cross-site scripting vulnerability

A cross-site scripting vulnerability exists in Nextcloud Circles, an open source, self-hosted file synchronization and sharing communication application platform from Nextcloud Germany, which stems from the failure of the product's Content-Security-Policy to properly handle incoming input data in...

NextCloud security vulnerabilities

Nextcloud is an open source, self-hosted file synchronization and sharing communication application platform from Germany's Nextcloud. Nextcloud is vulnerable to a code execution vulnerability that stems from Nextcloud's support for rendering image previews of file content provided to users, whic...

NextCloud Access Control Vulnerability

Nextcloud server is an open source self-hosted file synchronization and sharing communication application platform from Nextcloud Germany. nextcloud server is vulnerable to authorization issues in versions prior to 20.0.12, 21.0.4 or 22.1.0. The vulnerability stems from a lack of authentication...

NextCloud security vulnerabilities

Nextcloud Circles, an open source social network built by Nextcloud Germany for the Nextcloud ecosystem, is vulnerable to an authorization issue in versions prior to 0.19.15, 0.20.11, and 0.21.4, which stems from a vulnerability in the Nextcloud Circles The application allows any user to join any...

CVE-2021-37631: Authorization Bypass Through User-Controlled Key

Deck is an open source kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions the Deck application didn't properly check membership of users in a Circle. This allowed other users in the instance to gain access t...

CVE-2021-37630: Authorization Bypass Through User-Controlled Key

Nextcloud Circles is an open source social network built for the nextcloud ecosystem. In affected versions the Nextcloud Circles application allowed any user to join any "Secret Circle" without approval by the Circle owner leaking private information. It is recommended that Nextcloud Circles is...

NextCloud information leakage vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An information disclosure vulnerability exists in Nextcloud Richdocuments, which stems from the fact that there is no rate limitation on Richdocuments OCS...

NextCloud information leakage vulnerability

An information disclosure vulnerability exists in Nextcloud Richdocuments, an open source self-hosted file synchronization and sharing communication application platform from Nextcloud Germany, which stems from the fact that in the affected version, the Richdocuments OCS endpoint is not...

CVE-2021-37629: Exposure of Sensitive Information to an Unauthorized Actor

Nextcloud Richdocuments is an open source collaborative office suite. In affected versions there is a lack of rate limiting on the Richdocuments OCS endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. It is recommended that the Nextcloud Richdocuments app is...

PT-2021-21743

Name of the Vulnerable Software and Affected Versions Nextcloud Richdocuments versions prior to 3.8.4 Nextcloud Richdocuments versions prior to 4.2.1 Description The File Drop feature in Nextcloud Richdocuments can be bypassed, allowing an attacker to read arbitrary files in a shared folder. This...

PT-2021-21744

Name of the Vulnerable Software and Affected Versions Nextcloud Richdocuments versions prior to 3.8.4 Nextcloud Richdocuments versions prior to 4.2.1 Description Nextcloud Richdocuments is an open source collaborative office suite. In affected versions, there is a lack of rate limiting on the...

CVE-2021-32802: Inclusion of Functionality from Untrusted Control Sphere

Nextcloud server is an open source, self hosted personal cloud. Nextcloud supports rendering image previews for user provided file content. For some image types, the Nextcloud server was invoking a third-party library that wasn't suited for untrusted user-supplied content. There are several...

CVE-2021-32800: Missing Authentication for Critical Function

Nextcloud server is an open source, self hosted personal cloud. In affected versions an attacker is able to bypass Two Factor Authentication in Nextcloud. Thus knowledge of a password, or access to a WebAuthN trusted device of a user was sufficient to gain access to an account. It is recommended...

NextCloud log information leakage vulnerability

An information disclosure vulnerability exists in Nextcloud Server, an open source, powerful cloud storage network drive project. An attacker could use this vulnerability to bypass the dual authentication in Nextcloud, and an attacker who knows the password or has access to the WebAuthN trusted...