CVE-2022-23227
NUUO NVRmini2 Devices Missing Authentication Vulnerability
- Critical 9.8
- Exploited: added to CISA KEV 18 Dec 2024
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.
Key facts
- Published
- 14 Jan 2022
- Last changed
- 21 Oct 2025
- Assigned by
- mitre
- KEV added
- 18 Dec 2024
- KEV fix due
- 8 Jan 2025
- EPSS
- 48.497% likely to be exploited in the next 30 days, higher than 98.889% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.8CVSS 3.1, Criticalfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What to do
- The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 14 Jan 2022 Published
- 18 Dec 2024 CVE-2022-23227 added to CISA KEV
- 18 Dec 2024 Added to the CISA KEV catalogue