CVSS: 5.3EPSS: 0%CPEs: 5EXPL: 0CVE-2023-25159 – Nextcloud Server previews are accessible without a watermark
https://notcve.org/view.php?id=CVE-2023-25159
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform. Nextcloud Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, Nextcloud Enterprise Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, and Nextcloud Office (Richdocuments) App 6.x prior to 6.3.1 and 7.x prior to 7.0.1 have previews accessible without a watermark. The download should be hidden and the watermark should get applied. This issue is fixed in Nextcloud Server 25.0.1 and 24.0.8, Nextcloud Enterprise Server 25.0.1 and 24.0.8, and Nextcloud Office (Richdocuments) App 7.0.1 (for 25) and 6.3.1 (for 24). No known workarounds are available. • https://github.com/nextcloud/richdocuments/pull/2579 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmg https://github.com/nextcloud/server/pull/34799 https://hackerone.com/reports/1745755 • CWE-284: Improper Access Control •
CVSS: 6.5EPSS: 0%CPEs: 3EXPL: 0CVE-2022-41971 – Nextcloud Talk guests can continue to receive video streams from call after being removed from a conversation
https://notcve.org/view.php?id=CVE-2022-41971
Nextcould Talk android is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0, guests can continue to receive video streams from a call after being removed from a conversation. An attacker would be able to see videos on a call in a public conversation after being removed from that conversation, provided that they were removed while being in the call. Versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0 contain patches for the issue. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wx6w-xpg9-6fv4 https://github.com/nextcloud/spreed/pull/7974 https://hackerone.com/reports/1706248 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-359: Exposure of Private Personal Information to an Unauthorized Actor CWE-668: Exposure of Resource to Wrong Sphere •
CVSS: 5.3EPSS: 0%CPEs: 4EXPL: 0CVE-2022-41970 – Nextcloud Server's disabled download shares still allow download through preview images
https://notcve.org/view.php?id=CVE-2022-41970
Nextcloud Server is an open source personal cloud server. Prior to versions 24.0.7 and 25.0.1, disabled download shares still allow download through preview images. Images could be downloaded and previews of documents (first page) can be downloaded without being watermarked. Versions 24.0.7 and 25.0.1 contain a fix for this issue. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9mh6-cph8-772c https://github.com/nextcloud/server/pull/34788 https://hackerone.com/reports/1745766 • CWE-284: Improper Access Control CWE-863: Incorrect Authorization •
CVSS: 2.7EPSS: 0%CPEs: 4EXPL: 0CVE-2022-41969 – Nextcloud Server has no password length limit when creating a user as an administrator
https://notcve.org/view.php?id=CVE-2022-41969
Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.11, 24.0.7, and 25.0.0, there is no password length limit when creating a user as an administrator. An administrator can cause a limited DoS attack against their own server. Versions 23.0.11, 24.0.7, and 25.0.0 contain a fix for the issue. As a workaround, don't create user accounts with long passwords. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4gm7-j7wg-m4fx https://github.com/nextcloud/server/pull/34500 https://hackerone.com/reports/1727424 • CWE-400: Uncontrolled Resource Consumption CWE-521: Weak Password Requirements •
CVSS: 5.3EPSS: 0%CPEs: 4EXPL: 0CVE-2022-41968 – Nextcloud Server's calendar name length not validated before writing to database
https://notcve.org/view.php?id=CVE-2022-41968
Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.10 and 24.0.5, calendar name lengths are not validated before writing to a database. As a result, an attacker can send unnecessary amounts of data against the database. Version 23.0.10 and 24.0.5 contain patches for the issue. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m92j-xxc8-hq3v https://github.com/nextcloud/server/pull/33139 https://hackerone.com/reports/1596148 • CWE-400: Uncontrolled Resource Consumption CWE-1284: Improper Validation of Specified Quantity in Input •