In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.
Project Subscriptions
| Vendors | Products |
|---|---|
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Codesys
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Codesys
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Wago
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750-8202
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750-8202 Firmware
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750-8203
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750-8203 Firmware
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750-8204
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750-8204 Firmware
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750-8206
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750-8206 Firmware
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750-8207
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750-8207 Firmware
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750-8208
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750-8208 Firmware
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750-8210
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750-8210 Firmware
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750-8211
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750-8211 Firmware
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750-8212
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750-8212 Firmware
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750-8213
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750-8213 Firmware
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750-8214
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750-8214 Firmware
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750-8216
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750-8216 Firmware
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750-8217
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750-8217 Firmware
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750-823
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750-823 Firmware
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750-829
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750-829 Firmware
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750-831
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750-831 Firmware
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750-832
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750-832 Firmware
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750-852
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750-852 Firmware
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750-862
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750-862 Firmware
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750-880
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750-880 Firmware
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750-881
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750-881 Firmware
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750-882
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750-882 Firmware
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750-885
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750-885 Firmware
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750-889
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750-889 Firmware
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750-890
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750-890 Firmware
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750-891
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750-891 Firmware
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750-893
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750-893 Firmware
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|
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-21236 | In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition. |
Fixes
Solution
CODESYS GmbH has released version V1.1.9.22 of the CODESYS V2 web server to solve the noted vulnerability issues. This version of the CODESYS V2 web server is also part of the CODESYS Development System setup version V2.3.9.68.
Workaround
No workaround given by the vendor.
References
History
Fri, 15 Aug 2025 20:30:00 +0000
| 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 Wago 750-823 Wago 750-823 Firmware Wago 750-829 Wago 750-829 Firmware Wago 750-831 Wago 750-831 Firmware Wago 750-832 Wago 750-832 Firmware Wago 750-852 Wago 750-852 Firmware Wago 750-862 Wago 750-862 Firmware Wago 750-880 Wago 750-880 Firmware Wago 750-881 Wago 750-881 Firmware Wago 750-882 Wago 750-882 Firmware Wago 750-885 Wago 750-885 Firmware Wago 750-889 Wago 750-889 Firmware Wago 750-890 Wago 750-890 Firmware Wago 750-891 Wago 750-891 Firmware Wago 750-893 Wago 750-893 Firmware |
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| 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:h:wago:750-823:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-829:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-832:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-852:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-862:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-882:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-885:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-890:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-891:-:*:*:*:*:*:*:* cpe:2.3:h:wago:750-893:-:*:*:*:*:*:*:* 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:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-823_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-832_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-862_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-890_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-891_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:wago:750-893_firmware:*:*:*:*:*:*:*:* |
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| 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 Wago 750-823 Wago 750-823 Firmware Wago 750-829 Wago 750-829 Firmware Wago 750-831 Wago 750-831 Firmware Wago 750-832 Wago 750-832 Firmware Wago 750-852 Wago 750-852 Firmware Wago 750-862 Wago 750-862 Firmware Wago 750-880 Wago 750-880 Firmware Wago 750-881 Wago 750-881 Firmware Wago 750-882 Wago 750-882 Firmware Wago 750-885 Wago 750-885 Firmware Wago 750-889 Wago 750-889 Firmware Wago 750-890 Wago 750-890 Firmware Wago 750-891 Wago 750-891 Firmware Wago 750-893 Wago 750-893 Firmware |
Projects
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Status: PUBLISHED
Assigner: CERTVDE
Published:
Updated: 2024-09-17T03:53:13.043Z
Reserved: 2021-06-10T00:00:00
Link: CVE-2021-34586
No data.
Status : Analyzed
Published: 2021-10-26T10:15:07.957
Modified: 2025-08-15T20:26:04.430
Link: CVE-2021-34586
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD