VDB-184080 · CVE-2021-42071 · Exploit 50098

Visual Tools DVR VX16 4.2.28.0 HTTP Header cgi-bin/slogin/login.py User-Agent os command injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Visual Tools DVR VX16 4.2.28.0. The affected element is an unknown function of the file cgi-bin/slogin/login.py of the component HTTP Header Handler. The manipulation of the argument User-Agent results in os command injection. This vulnerability is known as CVE-2021-42071. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Visual Tools DVR VX16 4.2.28.0. Affected is an unknown functionality of the file cgi-bin/slogin/login.py of the component HTTP Header Handler. The manipulation of the argument User-Agent with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 10/08/2021 as 50098. The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2021-42071 since 10/07/2021. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

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 (50098). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Visual Tools

Name

DVR VX16

Version

4.2.28.0

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/07/2021 🔍
10/08/2021 +1 days 🔍
10/08/2021 +0 days 🔍
12/01/2024 +1150 days 🔍

Sourcesinfo

Advisory: 50098
Status: Not defined

CVE: CVE-2021-42071 (🔍)
GCVE (CVE): GCVE-0-2021-42071
GCVE (VulDB): GCVE-100-184080
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/08/2021 09:37
Updated: 12/01/2024 16:45
Changes: 10/08/2021 09:37 (44), 10/14/2021 07:49 (1), 12/01/2024 16:45 (14)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.