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CRITICAL · 9.8

CVE-2021-22772

A CWE-306: Missing Authentication for Critical Function vulnerability exists in Easergy T200 ((Modbus) SC2-04MOD-07000100 and earlier), Easergy T200 ((IEC104) SC2-04IEC-07000100 and earlier), and Ease...

Vulnerability Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in Easergy T200 ((Modbus) SC2-04MOD-07000100 and earlier), Easergy T200 ((IEC104) SC2-04IEC-07000100 and earlier), and Easergy T200 ((DNP3) SC2-04DNP-07000102 and earlier) that could cause unauthorized operation when authentication is bypassed.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Schneider-ElectricT200I Firmware<= sc2-04mod-07000100
Schneider-ElectricT200I-
Schneider-ElectricT200E Firmware<= sc2-04mod-07000100
Schneider-ElectricT200E-
Schneider-ElectricT200P Firmware<= sc2-04mod-07000100
Schneider-ElectricT200P-

Related Weaknesses (CWE)

CWE-306

References

FAQ

What is CVE-2021-22772?

CVE-2021-22772 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A CWE-306: Missing Authentication for Critical Function vulnerability exists in Easergy T200 ((Modbus) SC2-04MOD-07000100 and earlier), Easergy T200 ((IEC104) SC2-04IEC-07000100 and earlier), and Ease...

How severe is CVE-2021-22772?

CVE-2021-22772 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-22772?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric T200I Firmware, Schneider-Electric T200I, Schneider-Electric T200E Firmware, Schneider-Electric T200E, Schneider-Electric T200P Firmware.