CVE-2021-42071

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.

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

69.88% chance of exploitation in the next 30 days, 99th percentile

Nuclei

critical · CWE-78

Published

2021-10-07

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-42071.yaml

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/50098

Security advisories

• https://visual-tools.com
• https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071

References

• CVE Record
• NVD entry