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Known Exploited Vulnerability
10.0
HIGH CVSS 2.0
CVE-2018-14933
NUUO NVRmini Devices OS Command Injection Vulnerability - [Actively Exploited]
Description

upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.

INFO

Published Date :

Aug. 4, 2018, 7:29 p.m.

Last Modified :

Oct. 22, 2025, 12:16 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

NUUO NVRmini devices contain an OS command injection vulnerability. This vulnerability allows remote command execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.

Required Action :

The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

Notes :

https://nuuo.com/wp-content/uploads/2023/03/NUUO-EOL-letter＿NVRmini-2-and-NVRsolo-series.pdf ; https://nvd.nist.gov/vuln/detail/CVE-2018-14933

Affected Products

The following products are affected by CVE-2018-14933 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nuuo nvrmini_firmware
2 Nuuo nvrmini_2
3 Nuuo nvrmini
: Total Affected Vendor : 1 | Products : 3
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This information is provided by the 3rd party feeds.
  • Apply the latest firmware update. It is unclear if NUUO has addressed this vulnerability in all products.
Public PoC/Exploit Available at Github

CVE-2018-14933 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-14933.

URL Resource
https://www.exploit-db.com/exploits/45070/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/46340/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/45070/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/46340/ Exploit Third Party Advisory VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14933
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-14933 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-14933 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 2 months ago
2 stars 1 fork 1 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 206 different CVEs too.
Profile Photo
NyxAzrael/Goby_POC

在公网收集的gobypoc+部分自己加的poc

Updated: 3 months, 1 week ago
111 stars 8 fork 8 watcher
Born at : July 28, 2023, 4:28 p.m. This repo has been linked 296 different CVEs too.
Profile Photo
20142995/Goby

None

Python Go

Updated: 9 months ago
576 stars 138 fork 138 watcher
Born at : Nov. 25, 2022, 5:20 a.m. This repo has been linked 174 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-14933 vulnerability anywhere in the article.

  • The Register
UK ICO not happy with Google's plans to allow device fingerprinting

in brief Google has announced plans to allow its business customers to begin "fingerprinting" users next year, and the UK Information Commissioner's Office (ICO) isn't happy about it. Fingerprinting i ... Read more

Published Date: Dec 23, 2024 (10 months, 1 week ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2018-14933 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 22, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14933
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14933
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14933
  • Modified Analysis by [email protected]

    Feb. 06, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 05, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Dec. 19, 2024

    Action Type Old Value New Value
    Added Date Added 2024-12-18
    Added Due Date 2025-01-08
    Added Vulnerability Name NUUO NVRmini Devices OS Command Injection Vulnerability
    Added Required Action The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/45070/
    Added Reference https://www.exploit-db.com/exploits/46340/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-77 CWE-77 CWE-20 CWE-78
  • Modified Analysis by [email protected]

    Mar. 04, 2019

    Action Type Old Value New Value
    Changed Reference Type https://www.exploit-db.com/exploits/46340/ No Types Assigned https://www.exploit-db.com/exploits/46340/ Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Feb. 12, 2019

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/46340/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 02, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.exploit-db.com/exploits/45070/ No Types Assigned https://www.exploit-db.com/exploits/45070/ Exploit, Third Party Advisory, VDB Entry
    Added CWE CWE-77
    Added CPE Configuration AND OR *cpe:2.3:o:nuuo:nvrmini_firmware:2016:*:*:*:*:*:*:* OR cpe:2.3:h:nuuo:nvrmini:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 10
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

93.76 }} 0.00%

score

0.99844

percentile