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VULNERABILITIES

CVE-2021-42071 Details

Description

In Visual Tools DVR VX16 4.2.28.0, an unauthenticated attacker can achieve remote command execution via shell metacharacters in the cgi-bin/slogin/login.py User-Agent HTTP header.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://visual-tools.com/ CVEVendor Advisory
https://www.exploit-db.com/exploits/50098 CVEExploitThird Party AdvisoryVDB Entry
https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/ CVEExploitThird Party Advisory
https://visual-tools.com/ [email protected]Vendor Advisory
https://www.exploit-db.com/exploits/50098 [email protected]ExploitThird Party AdvisoryVDB Entry

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')[email protected]

Affected Products

ProductVersions
visual-tools dvr vx16 firmware
4.2.28.0

CPE

  • cpe:2.3:o:visual-tools:dvr_vx16_firmware:4.2.28.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
visual-tools dvr vx16
All versions

CPE

  • cpe:2.3:h:visual-tools:dvr_vx16:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-42071
NVD Published Date:
Oct 7, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]