Vulnerability Report

CVE-2023-48304

Title: Nextcloud Nextcloud Server Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2023-48304.

CWE Category CWE-639
Published Date Nov 21, 2023
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 4.3 CVSS v3.1
Exploit Probability (EPSS)
0.60%

Vulnerability Summary

CVE-2023-48304: Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and starting in version 22.0.0 and prior to versions 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Enterprise Server, an attacker could enable and disable the birthday calendar for any user on the same server. Nextcloud Server 25.0.11, 26.0.6, and 27.1.0 and Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 contain patches for this issue. No known workarounds are available.

Impacted Vendors

N
nextcloud 1

Reference Links

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8jwv-c8c8-9fr3 https://github.com/nextcloud/server/pull/40292 https://hackerone.com/reports/2112973 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8jwv-c8c8-9fr3 https://github.com/nextcloud/server/pull/40292 https://hackerone.com/reports/2112973
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-48304 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Stack

No specific products linked.