On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00999 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:* | before 03.2.03 | Vulnerable | Belden |
| cpe:2.3:h:belden:tofino_xenon_security_appliance:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:belden:tofino_argon_fa-tsa-220-tx\/mm_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:tofino_argon_fa-tsa-220-tx\/mm:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:belden:tofino_argon_fa-tsa-220-tx\/tx_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:tofino_argon_fa-tsa-220-tx\/tx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:belden:tofino_argon_fa-tsa-220-mm\/tx_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:tofino_argon_fa-tsa-220-mm\/tx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:belden:tofino_argon_fa-tsa-220-mm\/mm_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:tofino_argon_fa-tsa-220-mm\/mm:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
- cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:* Versions before 03.2.03 Vulnerable ·Belden
- cpe:2.3:h:belden:tofino_xenon_security_appliance:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:belden:tofino_argon_fa-tsa-220-tx\/mm_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:tofino_argon_fa-tsa-220-tx\/mm:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:belden:tofino_argon_fa-tsa-220-tx\/tx_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:tofino_argon_fa-tsa-220-tx\/tx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:belden:tofino_argon_fa-tsa-220-mm\/tx_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:tofino_argon_fa-tsa-220-mm\/tx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:belden:tofino_argon_fa-tsa-220-mm\/mm_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:tofino_argon_fa-tsa-220-mm\/mm:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:belden:tofino_argon_fa-tsa-100-tx\/tx_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:tofino_argon_fa-tsa-100-tx\/tx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:belden:eagle_20_tofino_943_987-505-mm\/mm_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:eagle_20_tofino_943_987-505-mm\/mm:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:belden:eagle_20_tofino_943_987-504-mm\/tx_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:eagle_20_tofino_943_987-504-mm\/tx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:belden:eagle_20_tofino_943_987-502_-tx\/mm_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:eagle_20_tofino_943_987-502_-tx\/mm:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:belden:eagle_20_tofino_943_987-501-tx\/tx_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Belden |
| cpe:2.3:h:belden:eagle_20_tofino_943_987-501-tx\/tx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Belden |
| cpe:2.3:o:schneider-electric:tcsefm0000_firmware:*:*:*:*:*:*:*:* | before 03.23 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:tcsefm0000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:belden:tofino_argon_fa-tsa-100-tx\/tx_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:tofino_argon_fa-tsa-100-tx\/tx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:belden:eagle_20_tofino_943_987-505-mm\/mm_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:eagle_20_tofino_943_987-505-mm\/mm:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:belden:eagle_20_tofino_943_987-504-mm\/tx_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:eagle_20_tofino_943_987-504-mm\/tx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:belden:eagle_20_tofino_943_987-502_-tx\/mm_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:eagle_20_tofino_943_987-502_-tx\/mm:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:belden:eagle_20_tofino_943_987-501-tx\/tx_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Belden
- cpe:2.3:h:belden:eagle_20_tofino_943_987-501-tx\/tx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden
- cpe:2.3:o:schneider-electric:tcsefm0000_firmware:*:*:*:*:*:*:*:* Versions before 03.23 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:tcsefm0000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30063
- 2026-10-03 Alias added: GHSA-922p-95r7-82vf
References
Sources
- CVE-2021-30063 · CVE Program
- CVE-2021-30063 · NVD
- FIRST EPSS
- GHSA-922p-95r7-82vf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences