Is CVE-2022-23227 actively exploited?

CVE-2022-23227 has no public evidence of in-the-wild exploitation as of 2025-11-07.

What is the CVSS score for CVE-2022-23227?

CVE-2022-23227 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2022-23227?

Patch guidance is available from nuuo security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-23227.

Which products are affected by CVE-2022-23227?

1 product: nuuo nvrmini2 firmware.

Fix CVE-2022-23227 - CRITICAL nuuo nvrmini2 firmware

Description

NUUO NVRmini2 through 3.11 allows an unauthenticated attacker to upload an encrypted TAR archive, which can be abused to add arbitrary users because of the lack of handle_import_user.php authentication. When combined with another flaw (CVE-2011-5325), it is possible to overwrite arbitrary files under the web root and achieve code execution as root.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-306 · Missing Authentication CWE-306 · Missing Authentication

Metadata

Primary Vendor: NUUO
Published: 1/14/2022
Last Modified: 11/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2022-23227

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary