PT-2021-7776 · Schneider Electric · Easergy T200

Published 2021-07-13 · Updated 2021-07-28 · CVE-2021-22772

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Easergy T200 versions (Modbus) SC2-04MOD-07000100 and earlier Easergy T200 versions (IEC104) SC2-04IEC-07000100 and earlier Easergy T200 versions (DNP3) SC2-04DNP-07000102 and earlier

Description The issue is related to the absence of authentication for a critical function in the device's firmware, which could allow a remote attacker to perform unauthorized operations.

Recommendations For Easergy T200 versions (Modbus) SC2-04MOD-07000100 and earlier, consider implementing authentication mechanisms for critical functions to prevent unauthorized access. For Easergy T200 versions (IEC104) SC2-04IEC-07000100 and earlier, consider implementing authentication mechanisms for critical functions to prevent unauthorized access. For Easergy T200 versions (DNP3) SC2-04DNP-07000102 and earlier, consider implementing authentication mechanisms for critical functions to prevent unauthorized access.

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

BDU:2023-02716

CVE-2021-22772

Affected Products

Easergy T200

References · 6

• https://osv.dev/vulnerability/CVE-2021-22772 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22772 · Security Note
• http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-05 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-02716 · Security Note
• https://vuldb.com/ru/?id.219621 · Note
• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-05 · Note