Vulnerabilities > Nextcloud
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-03-03 | CVE-2021-22877 | Missing Authorization vulnerability in multiple products A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet. | 6.5 |
| 2021-03-03 | CVE-2020-8296 | Weak Password Requirements vulnerability in multiple products Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured. | 6.7 |
| 2021-02-23 | CVE-2020-8297 | Authorization Bypass Through User-Controlled Key vulnerability in Nextcloud Deck Nextcloud Deck before 1.0.2 suffers from an insecure direct object reference (IDOR) vulnerability that permits users with a duplicate user identifier to access deck data of a previous deleted user. | 4.3 |
| 2021-02-03 | CVE-2020-8294 | Cross-site Scripting vulnerability in Nextcloud Server A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format. | 5.4 |
| 2021-01-26 | CVE-2020-8295 | Resource Exhaustion vulnerability in Nextcloud Server A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user. | 7.5 |
| 2021-01-26 | CVE-2020-8293 | Resource Exhaustion vulnerability in Nextcloud Server A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rules causing load and potential DDoS on later interactions and usage with those rules. | 6.5 |
| 2021-01-06 | CVE-2020-8281 | Cross-site Scripting vulnerability in Nextcloud Contacts A missing file type check in Nextcloud Contacts 3.3.0 allows a malicious user to upload malicious SVG files to perform cross-site scripting (XSS) attacks. | 5.4 |
| 2021-01-06 | CVE-2020-8280 | Cross-site Scripting vulnerability in Nextcloud Contacts A missing file type check in Nextcloud Contacts 3.4.0 allows a malicious user to upload SVG files as PNG files to perform cross-site scripting (XSS) attacks. | 5.4 |
| 2020-11-19 | CVE-2020-8279 | Improper Certificate Validation vulnerability in Nextcloud Social Missing validation of server certificates for out-going connections in Nextcloud Social < 0.4.0 allowed a man-in-the-middle attack. | 7.4 |
| 2020-11-19 | CVE-2020-8278 | Incorrect Authorization vulnerability in Nextcloud Social 0.3.1 Improper access control in Nextcloud Social app version 0.3.1 allowed to read posts of any user. | 5.3 |