CVE-2020-8133

A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file...

Design/Logic Flaw

A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file...

Design/Logic Flaw

A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files...

CVE-2020-8133

Nextcloud Server 19.0.1 vulnerability (CVE-2020-8133) arises from incorrect passphrase generation for the encrypted block, enabling an attacker to silently overwrite blocks within a file. Public sources (Nextcloud advisory NC-SA-2020-038) describe MAC-based encryption weaknesses that can be explo...

CVE-2020-8133

A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file...

CVE-2020-8150

CVE-2020-8150 relates to Nextcloud Server 19.0.1 and describes a cryptographic downgrade where an attacker can degrade the encryption scheme and break the integrity of encrypted files. Public docs indicate this vulnerability affects Nextcloud Server 19.0.1 and is discussed in the NC-SA-2020-039 a...

CVE-2020-8150

A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files...

Nextcloud Server Encryption Issue Vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud Server 18.0.4, which stems from too small a random character set being used for encryption, making decryption tim...

Nextcloud Server Authorization Issues Vulnerability (CNVD-2020-64589)

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An authorization issue vulnerability exists in Nextcloud Server 19.0.1, which stems from a misconfiguration that allows users to feel that a passwordless...

CVE-2020-8173

A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended...

CVE-2020-8183

A logic error in Nextcloud Server 19.0.0 caused a plaintext storage of the share password when it was given on the initial create API call...

CVE-2020-8173

A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended...

CVE-2020-8183

A logic error in Nextcloud Server 19.0.0 caused a plaintext storage of the share password when it was given on the initial create API call...

CVE-2020-8236

A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it...

CVE-2020-8236

A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it...

Design/Logic Flaw

A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it...

CVE-2020-8173

A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended...

Design/Logic Flaw

A logic error in Nextcloud Server 19.0.0 caused a plaintext storage of the share password when it was given on the initial create API call...

Nextcloud: Stored XSS in markdown file with Nextcloud Talk using Internet Explorer

While editing a markdown file through the text app, users can create link elements that have a javascript URL such as javascript:alert1. Steps to reproduce: While editing a markdown file, select some text and click the "Add Link" button. Using a web proxy, intercept the request and change the hre...

CVE-2020-8183

CVE-2020-8183 is a logic error in Nextcloud Server 19.0.0 where the share password was stored in plaintext during the initial create API call. Public records confirm this affects Nextcloud Server 19.0.0 and was addressed in later updates (e.g., Fedora advisories note fixes for CVE-2020-8183 in Ne...