CVSS: 8.1EPSS: 0%CPEs: 3EXPL: 0CVE-2021-32800 – Bypass of Two Factor Authentication in Nextcloud server
https://notcve.org/view.php?id=CVE-2021-32800
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 that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.1.0. There are no workaround for this vulnerability. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-gv5w-8q25-785v https://github.com/nextcloud/server/pull/28078 https://hackerone.com/reports/1271052 https://security.gentoo.org/glsa/202208-17 • CWE-306: Missing Authentication for Critical Function •
CVSS: 5.3EPSS: 0%CPEs: 3EXPL: 0CVE-2021-32766 – Nextcloud Text app can disclose existence of folders in "File Drop" link share
https://notcve.org/view.php?id=CVE-2021-32766
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 share has been created with "Upload Only" privileges. (aka "File Drop"). A link share recipient is not expected to see which folders or files exist in a "File Drop" share. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-gcf3-3wmc-88jr https://github.com/nextcloud/text/pull/1716 https://hackerone.com/reports/1253475 • CWE-209: Generation of Error Message Containing Sensitive Information •
CVSS: 5.3EPSS: 0%CPEs: 3EXPL: 0CVE-2021-32741 – Lack of ratelimit on public share link mount endpoint
https://notcve.org/view.php?id=CVE-2021-32741
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the public share link mount endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-crvj-vmf7-xrvr https://github.com/nextcloud/server/pull/26958 https://hackerone.com/reports/1192144 • CWE-799: Improper Control of Interaction Frequency •
CVSS: 5.3EPSS: 0%CPEs: 3EXPL: 0CVE-2021-32734 – File path disclosure of shared files in Nextcloud Text application
https://notcve.org/view.php?id=CVE-2021-32734
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, the Nextcloud Text application shipped with Nextcloud Server returned verbatim exception messages to the user. This could result in a full path disclosure on shared files. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. As a workaround, one may disable the Nextcloud Text application in Nextcloud Server app settings. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6hf5-c2c4-2526 https://github.com/nextcloud/text/pull/1695 https://hackerone.com/reports/1246721 https://security.gentoo.org/glsa/202208-17 • CWE-209: Generation of Error Message Containing Sensitive Information •
CVSS: 6.1EPSS: 0%CPEs: 3EXPL: 0CVE-2021-32733 – XSS in Nextcloud Text application
https://notcve.org/view.php?id=CVE-2021-32733
Nextcloud Text is a collaborative document editing application that uses Markdown. A cross-site scripting vulnerability is present in versions prior to 19.0.13, 20.0.11, and 21.0.3. The Nextcloud Text application shipped with Nextcloud server used a `text/html` Content-Type when serving files to users. Due the strict Content-Security-Policy shipped with Nextcloud, this issue is not exploitable on modern browsers supporting Content-Security-Policy. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x4w3-jhcr-57pq https://github.com/nextcloud/text/pull/1689 https://hackerone.com/reports/1241460 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •