CVE-2021-30062
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon...
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.
- Record
CVE-2021-30062- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.
- Record
CVE-2021-30062- Updated
- 2026-11-02
EUVDEUVD-2021-17006 No score
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.
- Record
EUVD-2021-17006- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-45gg-hph8-cxm3
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon...
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.
- Record
GHSA-45gg-hph8-cxm3- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
- belden eagle 20 tofino 943 987-501-tx\/tx firmware
- belden eagle 20 tofino 943 987-502 -tx\/mm firmware
- belden eagle 20 tofino 943 987-504-mm\/tx firmware
- belden eagle 20 tofino 943 987-505-mm\/mm firmware
- belden tofino argon fa-tsa-100-tx\/tx firmware
- belden tofino argon fa-tsa-220-mm\/mm firmware
- belden tofino argon fa-tsa-220-mm\/tx firmware
- belden tofino argon fa-tsa-220-tx\/mm firmware
- belden tofino argon fa-tsa-220-tx\/tx firmware
- belden tofino xenon security appliance firmware
- schneider-electric tcsefm0000 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30062 is a high vulnerability (CVSS 7.5) in Belden Eagle 20 Tofino 943 987-501-tx\/tx Firmware, published April 3, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.