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.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Visual Tools DVR VX16 4.2.28.0 - OS Command Injection (Unauthenticated) EDB-50098 · webapps · Jul 6, 2021
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Visual Tools DVR VX16 4.2.28.0 - Unauthenticated OS Command Injection http/cves/2021/CVE-2021-42071.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.