CVE-2022-23227NUUO 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 authenticati…
Updated under an hour ago ()
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It affects nuuo nvrmini2_firmware. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Dec 18, 2024; federal agencies had to remediate by Jan 8, 2025. Treat that date as your deadline.
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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
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-306
- Known exploited
- Added to CISA KEV Dec 18, 2024; federal remediation due Jan 8, 2025The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
- EPSS (exploitation in the next 30 days)
- 48.50% (percentile 99)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
nuuo nvrmini2_firmware nuuo:nvrmini2_firmware | through 3.11.0 | NVD |
References
- https://github.com/pedrib/PoC/blob/master/advisories/NUUO/nuuo_nvrmini_round2.mkdx-refsource-misc, exploit, third-party-advisory
- https://github.com/rapid7/metasploit-framework/pull/16044x-refsource-misc, exploit, issue-tracking, third-party-advisory
- https://portswigger.net/daily-swig/researcher-discloses-alleged-zero-day-vulnerabilities-in-nuuo-nvrmini2-recording-devicex-refsource-misc, exploit, third-party-advisory
- https://news.ycombinator.com/item?id=29936569x-refsource-misc, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-23227us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.