01 Record
CVE-2022-23227
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
CriticalKEVPUBLISHEDCNA: mitre
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 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
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2024-12-18. Federal remediation due 2025-01-08.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 48.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.7% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-01-14 17:13Z4 YR AGO
- Last updated
- 2025-10-21 23:15Z1 YR AGO
- Reserved
- 2022-01-14
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-306Missing Authentication for Critical FunctionBase
- Data version
- 5.1
- Document digest
- 32750eb81f617fd62cd179f745a6fd4b5da1149ef93a2c7cf1a642a0ba9ce605
05 Affected products
06 References
- github.comhttps://github.com/pedrib/PoC/blob/master/advisories/NUUO/nuuo_nvrmini_round2.mkd
- github.comhttps://github.com/rapid7/metasploit-framework/pull/16044
- portswigger.nethttps://portswigger.net/daily-swig/researcher-discloses-alleged-zero-day-vulnerabilities-in-nuuo-nvrmini2-recording-device
- news.ycombinator.comhttps://news.ycombinator.com/item?id=29936569
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-23227