High severity7.5NVD Advisory· Published Apr 3, 2022· Updated Jun 17, 2026
CVE-2021-30063
CVE-2021-30063
Description
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can cause an OPC enforcer denial of service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14- cpe:2.3:o:belden:eagle_20_tofino_943_987-501-tx\/tx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:eagle_20_tofino_943_987-502_-tx\/mm_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:eagle_20_tofino_943_987-504-mm\/tx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:eagle_20_tofino_943_987-505-mm\/mm_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:tofino_argon_fa-tsa-100-tx\/tx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:tofino_argon_fa-tsa-220-mm\/mm_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:tofino_argon_fa-tsa-220-mm\/tx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:tofino_argon_fa-tsa-220-tx\/mm_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:tofino_argon_fa-tsa-220-tx\/tx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:*Range: <03.2.03
- cpe:2.3:o:schneider-electric:tcsefm0000_firmware:*:*:*:*:*:*:*:*Range: <03.23
- Schneider Electric/ConneXium Tofino OPCLSMdescription
- Range: <03.23
Patches
Vulnerability mechanics
References
2- download.schneider-electric.com/filesnvdVendor Advisory
- www.belden.com/support/security-assurancenvdVendor Advisory
News mentions
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