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Vulnerability · Published Jul 21, 2021 · Assigned by schneider

CVE-2021-22772

Critical 9.8

In plain English

A critical-severity missing authentication 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). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.5%top 25.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
n/a 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) 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)

Weakness: CWE-306

References