critical9.1
CVE-2019-5077
An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.…
Impact
An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Wago | Pfc 200 Firmware | Versions 03.00.39\(12\), 03.01.07\(13\) |
| Wago | Pfc 100 Firmware | Version 03.00.39\(12\) |