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CVE-2024-22402

Improper handling of request URLs in Nextcloud Guests app allows guest users to bypass app allowlist

Published: Jan 18, 2024Updated: Nov 21, 2024 Sources: CVE List NVDCWE-281
5.4MEDIUM
NVD MITRE
EPSS Score
0.5%
Top 58.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users were able to load the first page of apps they were actually not allowed to access. Depending on the selection of apps installed this may present a permissions bypass. 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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-281

Affected Products

nextcloud
oss-project·DEaka nextcloud server
security-advisoriesSaaSSaaS Service
Cloud & SaaS / saas-application
guestsOn-prem
Cloud & SaaS / saas-application

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v3qw-7vgv-2fxj
github.com
https://github.com/nextcloud/guests/pull/1082
github.com
https://hackerone.com/reports/2251074
hackerone.com

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