Description
A low-privileged remote attacker can send Modbus packets to manipulate
register values that are inputs to the odorant injection logic such that
too much or too little odorant is injected into a gas line.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GPL Odorizers | GPL750 (XL4) | v1.0 – < v6.0 | v6.0 |
| GPL Odorizers | GPL750 (XL4 Prime) | v4.0 – < v6.0 | v6.0 |
| GPL Odorizers | GPL Odorizers GPL750 (XL7) | v13.0 – < v20.0 | v20.0 |
| GPL Odorizers | GPL Odorizers GPL750 (XL7 Prime) | v18.4 – < v20.0 | v20.0 |
Advisories 1
- ICSA-26-099-02 GPL Odorizers GPL750 CISA ICS & IT advisories · Apr 9, 2026