CVE-2021-42071

EPSS 69.9%◆ VulnCheck KEV

Vexday Risk Score

72High priority

SSVC decision (CISA)

Act

Exploitation + impact → act immediately

Exploit maturity

Functional exploit

Automatable exploit available (Nuclei/Metasploit).

CVSS —EPSS 69.9%KEV nãoPoC públicaNuclei simMetasploit —Patch —

Lifecycle

07 Oct 2021Published on NVD

15 Oct 2021Public PoC

Weaponization speed

8 daysto first PoC

Recommendation: Patch as soon as possible — active exploitation confirmed.

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.

Affected products

n/a · n/a

public PoCs found — 2

githubgithub.com/adubaldo/CVE-2021-42071★ 0 cve_referencewww.exploit-db.com/exploits/50098unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://visual-tools.com/https://www.exploit-db.com/exploits/50098 https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/