NUUO NVRmini Devices OS Command Injection Vulnerability
n/a — n/a
upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.
9.8
94.9%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Aug 4, 2018
- Modified
- Oct 21, 2025
- Added to KEV
- Dec 18, 2024
- Federal patch due
- Jan 8, 2025
CISA required action
The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2018-14933, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2018-14933 were found at last check. Absence here is not proof no exploit exists — see the references below for vendor advisories and write-ups.
References
How this class of flaw gets exploited
Frequently asked questions
What is CVE-2018-14933?
upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.
How severe is CVE-2018-14933?
CVE-2018-14933 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2018-14933 actively exploited in the wild?
Yes. CVE-2018-14933 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Dec 18, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2018-14933?
94.9% - meaning FIRST.org's EPSS model estimates a 94.9% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2018-14933?
Yes - a public Nuclei template referencing CVE-2018-14933 exist in public repositories we checked.
What type of vulnerability is CVE-2018-14933?
CVE-2018-14933 is classified under CWE-78 (CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')).
Cross-checked against
Impactr finds and proves whether CVE-2018-14933 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.