Critical severity9.1NVD Advisory· Published May 24, 2021· Updated Jun 17, 2026

CVE-2021-21001

Description

On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Wago/750 8202 Firmware
cpe:2.3:o:wago:750-8202_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8203 Firmware
cpe:2.3:o:wago:750-8203_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8204 Firmware
cpe:2.3:o:wago:750-8204_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8206 Firmware
cpe:2.3:o:wago:750-8206_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8207 Firmware
cpe:2.3:o:wago:750-8207_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8208 Firmware
cpe:2.3:o:wago:750-8208_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8210 Firmware
cpe:2.3:o:wago:750-8210_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8211 Firmware
cpe:2.3:o:wago:750-8211_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8212 Firmware
cpe:2.3:o:wago:750-8212_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8213 Firmware
cpe:2.3:o:wago:750-8213_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8214 Firmware
cpe:2.3:o:wago:750-8214_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8216 Firmware
cpe:2.3:o:wago:750-8216_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 8217 Firmware
cpe:2.3:o:wago:750-8217_firmware:*:*:*:*:*:*:*:*
Range: <03.06.19_\(18\)
Wago/750 823 Firmware
cpe:2.3:o:wago:750-823_firmware:*:*:*:*:*:*:*:*
Range: <fw08
Wago/750 829 Firmware
cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:*
Range: <fw15
Wago/750 831 Firmware
cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:*
Range: <fw15
Wago/750 832 Firmware
cpe:2.3:o:wago:750-832_firmware:*:*:*:*:*:*:*:*
Range: <fw08
Wago/750 852 Firmware
cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:*
Range: <fw15
Wago/750 862 Firmware
cpe:2.3:o:wago:750-862_firmware:*:*:*:*:*:*:*:*
Range: <fw08
Wago/750 880 Firmware
cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:*
Range: <fw16
Wago/750 881 Firmware
cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:*
Range: <fw15
Wago/750 882 Firmware
cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:*
Range: <fw15
Wago/750 885 Firmware
cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:*
Range: <fw15
Wago/750 889 Firmware
cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:*
Range: <fw15
Wago/750 890 Firmware
cpe:2.3:o:wago:750-890_firmware:*:*:*:*:*:*:*:*
Range: <fw08
Wago/750 891 Firmware
cpe:2.3:o:wago:750-891_firmware:*:*:*:*:*:*:*:*
Range: <fw08
Wago/750 893 Firmware
cpe:2.3:o:wago:750-893_firmware:*:*:*:*:*:*:*:*
Range: <fw08
Wago/PFC200llm-fuzzy
WAGO/Series Ethernet Controllerv5
Range: 750-8202/xxx-xxx
WAGO/Series PFC200 Controllerv5
Range: 750-823

cvss	0.591
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

CVE-2021-21001

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions