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TI-2024-14976 Aliases CVE-2024-22402

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

Priority LOW 25CWE-281Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0051 43rd percentileScored 2026-11-07
Fix Fixed security-advisories (nextcloud): 2.4.1, 2.5.1, 3.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nextcloudsecurity-advisories2.4.0 to before 2.4.1; 2.5.0 to before 2.5.1; 3.0.0 to before 3.0.12.4.1, 2.5.1, 3.0.1Patch availableCNA
  • security-advisories Vendornextcloud Affected 2.4.0 to before 2.4.1; 2.5.0 to before 2.5.1; 3.0.0 to before 3.0.1 Fixed in 2.4.1, 2.5.1, 3.0.1 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:nextcloud:guests:*:*:*:*:*:*:*:*before 2.4.1Vulnerablenextcloud
cpe:2.3:a:nextcloud:guests:2.5.0:*:*:*:*:*:*:*2.5.0Vulnerablenextcloud
cpe:2.3:a:nextcloud:guests:3.0.0:*:*:*:*:*:*:*3.0.0Vulnerablenextcloud
  • cpe:2.3:a:nextcloud:guests:*:*:*:*:*:*:*:* Versions before 2.4.1 Vulnerable ·nextcloud
  • cpe:2.3:a:nextcloud:guests:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·nextcloud
  • cpe:2.3:a:nextcloud:guests:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·nextcloud

Remediation

  • Fix · CNA security-advisories (nextcloud) Fixed in 2.4.1, 2.5.1, 3.0.1

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-22402

References

  • TI-2024-14975 All users can reset the allowed apps list for Nextcloud Guest App users CVSS 3.1MEDIUM 4.3

Sources