Home/CVE/Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions
CVE

CVE-2024-22401

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users could change the allowed list of apps, allowing them to use apps that were not intended to be used. It is recommended that the Guests app is upgraded to 2.4.1, 2.5.1 or 3.0.1.

There are no known workarounds for this vulnerability.

MEDIUM · CVSS 4.1 EPSS 0.0032
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-281Improper Preservation of Permissions
▤

Affected Products & Versions

2
nextcloud guests< 2.4.1
nextcloud guestsall versions
▣

Scoring & Timeline

4.1
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Jan 2024 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/nextcloud/guests/pull/1082Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wr87-hx3w-29hhVendor Advisory
https://hackerone.com/reports/2250398Permissions RequiredThird Party Advisory
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