Improper handling of request URLs in Nextcloud Guests app allows guest users to bypass app allowlist
CVE-2024-22402

5.4MEDIUM

Key Information:

Vendor

Nextcloud

Vendor
CVE Published:
18 January 2024

What is CVE-2024-22402?

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.

Affected Version(s)

security-advisories >= 2.4.0, < 2.4.1 < 2.4.0, 2.4.1

security-advisories >= 2.5.0, < 2.5.1 < 2.5.0, 2.5.1

security-advisories >= 3.0.0, < 3.0.1 < 3.0.0, 3.0.1

References

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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