Vulnerability Description
DrayTek Vigor 2960 firmware versions prior to 1.5.1.4 contain an OS command injection vulnerability in the CGI login handler that allows unauthenticated remote attackers to execute arbitrary commands by injecting shell metacharacters into the formpassword parameter. Attackers can exploit unsanitized input passed to the otp_check.sh script to achieve remote code execution with web server privileges. Exploitation requires knowledge of a valid username and that the target account has MOTP authentication enabled.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://www.draytek.co.uk/support/downloads/vigor-2960/older-firmware/firmware-1
- https://www.draytek.com/about/newsroom/2021/2021/end-of-life-notification-vigor2
- https://www.vulncheck.com/advisories/draytek-vigor-2960-os-command-injection-via
FAQ
What is CVE-2022-50994?
CVE-2022-50994 is a vulnerability with a CVSS score of 8.1 (HIGH). DrayTek Vigor 2960 firmware versions prior to 1.5.1.4 contain an OS command injection vulnerability in the CGI login handler that allows unauthenticated remote attackers to execute arbitrary commands ...
How severe is CVE-2022-50994?
CVE-2022-50994 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-50994?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.