CVE-2021-41233
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
Nextcloud text is a collaborative document editing using Markdown built for the nextcloud server. Due to an issue with the Nextcloud Text application, which is by default shipped with Nextcloud Server, an attacker is able to access the folder names of "File Drop". For successful exploitation an attacker requires knowledge of the sharing link. It is recommended that users upgrade their Nextcloud Server to 20.0.14, 21.0.6 or 22.2.1. Users unable to upgrade should disable the Nextcloud Text application in the application settings.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nextcloud | security-advisories | < 20.0.14 | affected |
| nextcloud | security-advisories | >= 21.0.0, < 21.0.6 | affected |
| nextcloud | security-advisories | >= 22.0.0, < 22.2.1 | affected |
Weaknesses
- CWE-862: CWE-862: Missing Authorization
ADP Enrichment
CVE Program Container
Additional References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-26c8-35cm-xq9m
- https://github.com/nextcloud/text/pull/1884
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-26c8-35cm-xq9m
- https://github.com/nextcloud/text/pull/1884
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