A Blind SQL injection vulnerability exists in the /DataHandler/HandlerAlarmGroup.ashx endpoint of Delta Electronics DIAEnergie Version 1.7.5 and prior. The application does not properly validate the user-controlled value supplied through the parameter agid before using it as part of an SQL query. A remote, unauthenticated attacker can exploit this issue to execute arbitrary code in the context of NT SERVICE\MSSQLSERVER.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-38393
• https://us-cert.cisa.gov/ics/advisories/icsa-21-238-03