CVE-2021-42071
9.8 CRITICALIn Visual Tools DVR VX16 4.2.28.0, an unauthenticated attacker can achieve remote command execution via shell metacharacters in the cgi-b...
Published: 2021-10-07 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 9.8 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-78
Affected products
| Vendor | Product |
|---|---|
| visual-tools | dvr_vx16_firmware |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-42071
- [Vendor advisory]https://visual-tools.com/
- [Exploit reference]https://www.exploit-db.com/exploits/50098
- [Exploit reference]https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/
- [Vendor advisory]https://visual-tools.com/
- [Exploit reference]https://www.exploit-db.com/exploits/50098
- [Exploit reference]https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/
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