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.
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Link | Tags |
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https://www.exploit-db.com/exploits/50098 | exploit vdb entry third party advisory |
https://visual-tools.com/ | vendor advisory |
https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/ | third party advisory exploit |