CVE-2021-34593

CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service

Published Oct 26, 2021 CVSS 3.1 · 7.5 High EPSS 2.7% KEV · Not listed
Description
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.

Remediation

Vendor Solution

CODESYS GmbH has released the following product versions to solve the noted vulnerability issue for the affected CODESYS products: * CODESYS Runtime Toolkit 32 bit full version V2.4.7.56 * CODESYS PLCWinNT version V2.4.7.56. This will also be part of the CODESYS Development System setup version V2.3.9.68.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-21243 In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.
History
Type Values Removed Values Added
First Time appeared Wago
Wago 750-8202
Wago 750-8202 Firmware
Wago 750-8203
Wago 750-8203 Firmware
Wago 750-8204
Wago 750-8204 Firmware
Wago 750-8206
Wago 750-8206 Firmware
Wago 750-8207
Wago 750-8207 Firmware
Wago 750-8208
Wago 750-8208 Firmware
Wago 750-8210
Wago 750-8210 Firmware
Wago 750-8211
Wago 750-8211 Firmware
Wago 750-8212
Wago 750-8212 Firmware
Wago 750-8213
Wago 750-8213 Firmware
Wago 750-8214
Wago 750-8214 Firmware
Wago 750-8216
Wago 750-8216 Firmware
Wago 750-8217
Wago 750-8217 Firmware
CPEs cpe:2.3:h:wago:750-8202:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8203:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8204:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8206:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8207:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8208:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8210:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8211:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8212:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8213:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8214:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8216:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:750-8217:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8202_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8203_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8204_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8206_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8207_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8208_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8211_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8212_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8213_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8214_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8216_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8217_firmware:*:*:*:*:*:*:*:*
Vendors & Products Wago
Wago 750-8202
Wago 750-8202 Firmware
Wago 750-8203
Wago 750-8203 Firmware
Wago 750-8204
Wago 750-8204 Firmware
Wago 750-8206
Wago 750-8206 Firmware
Wago 750-8207
Wago 750-8207 Firmware
Wago 750-8208
Wago 750-8208 Firmware
Wago 750-8210
Wago 750-8210 Firmware
Wago 750-8211
Wago 750-8211 Firmware
Wago 750-8212
Wago 750-8212 Firmware
Wago 750-8213
Wago 750-8213 Firmware
Wago 750-8214
Wago 750-8214 Firmware
Wago 750-8216
Wago 750-8216 Firmware
Wago 750-8217
Wago 750-8217 Firmware