CVE-2021-30062
HIGHCVSS 7.5/10EPSS 0.85%
Last modified
CVE-2021-30062 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.
Description
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Belden | Tofino Xenon Security Appliance Firmware | < 03.2.03 |
| Belden | Tofino Argon Fa-Tsa-220-Tx\/Mm Firmware | All versions |
| Belden | Tofino Argon Fa-Tsa-220-Tx\/Tx Firmware | All versions |
| Belden | Tofino Argon Fa-Tsa-220-Mm\/Tx Firmware | All versions |
| Belden | Tofino Argon Fa-Tsa-220-Mm\/Mm Firmware | All versions |
| Belden | Tofino Argon Fa-Tsa-100-Tx\/Tx Firmware | All versions |
| Belden | Eagle 20 Tofino 943 987-505-Mm\/Mm Firmware | All versions |
| Belden | Eagle 20 Tofino 943 987-504-Mm\/Tx Firmware | All versions |
| Belden | Eagle 20 Tofino 943 987-502 -Tx\/Mm Firmware | All versions |
| Belden | Eagle 20 Tofino 943 987-501-Tx\/Tx Firmware | All versions |
| Schneider-Electric | Tcsefm0000 Firmware | < 03.23 |
References
- https://www.belden.com/support/security-assuranceVendor Advisory
- https://www.belden.com/support/security-assuranceVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30062?
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.
How severe is CVE-2021-30062?
CVE-2021-30062 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30062?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-30062?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST