CVE-2022-23227 kev in the critical feed json
NUUO NVRmini2 through 3.11 allows an unauthenticated attacker to upload an encrypted TAR archive, which can be abused to add arbitrary user…
published 2022-01-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-28314
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2024-12-18
- epss
- 48.5%
- EPSS 48.5% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
cisa required action The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
Timeline
- Published
- Added to CISA KEV
- CISA SSVC: exploitation active
- CISA patch deadline
Known exploited
- Added
- 22 mo ago
- Patch by
- 2025-01-08 (22 mo ago)
- Ransomware
- Not known
- Required action
- The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
- Vendor, product
- NUUO, NVRmini2 Devices
- CISA name
- NUUO NVRmini2 Devices Missing Authentication Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- 22 mo ago
Exploit prediction
48.50% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/rapid7/metasploit-framework/pull/16044 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/pedrib/PoC/blob/master/advisories/NUUO/nuuo_nvrmini_round2.mkd referenced PoC, tagged "exploit" by a source, unverified
- portswigger.net https://portswigger.net/daily-swig/researcher-discloses-alleged-zero-day-vulnerabilities-in-nuuo-nvrmini2-recording-device referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
github.com
/rapid7/metasploit-framework/pull/16044
exploit, issue-tracking, third-party-advisory
-
github.com
/pedrib/PoC/blob/master/advisories/NUUO/nuuo_nvrmini_round2.mkd
exploit, third-party-advisory
-
portswigger.net
/daily-swig/researcher-discloses-alleged-zero-day-vulnerabilities-in-nuuo-nvrmini2-recording-device
exploit, third-party-advisory
-
news.ycombinator.com
/item?id=29936569
third-party-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-23227
government-resource, us-government-resource
Sources
- CVE List CVE-2022-23227
- NVD CVE-2022-23227
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.