Visual-Tools Visual Tools DVR VX16 4.2.28 sudo Setting privileges assignment
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Visual-Tools Visual Tools DVR VX16 4.2.28. This affects an unknown function of the component sudo Setting Handler. Performing a manipulation results in privileges assignment. This vulnerability is cataloged as CVE-2021-47799. The attack must be initiated from a local position. Furthermore, there is an exploit available.
Details
A vulnerability was found in Visual-Tools Visual Tools DVR VX16 4.2.28. It has been classified as critical. This affects an unknown functionality of the component sudo Setting Handler. The manipulation with an unknown input leads to a privileges assignment vulnerability. CWE is classifying the issue as CWE-266. A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Visual Tools DVR VX16 version 4.2.28 contains a local privilege escalation vulnerability in its Sudo configuration that allows attackers to gain root access. Attackers can exploit the unsafe Sudo settings by using mount commands to bind a shell, enabling unauthorized system-level privileges.
The weakness was shared by Andrea D'ubaldo as 50104. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2021-47799 since 01/14/2026. The exploitability is told to be easy. An attack has to be approached locally. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Exploit-DB (50104). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.8
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.2
CNA Vector (VulnCheck): 🔒
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privileges assignmentCWE: CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Exploit-DB: 🔒
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
01/14/2026 CVE reserved01/15/2026 Advisory disclosed
01/15/2026 VulDB entry created
01/15/2026 VulDB entry last update
Sources
Advisory: 50104Researcher: Andrea D'ubaldo
Status: Not defined
CVE: CVE-2021-47799 (🔒)
GCVE (CVE): GCVE-0-2021-47799
GCVE (VulDB): GCVE-100-341349
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/15/2026 17:47Changes: 01/15/2026 17:47 (79)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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