Vulnerability · Published Dec 2, 2021 · Assigned by Hitachi Energy

CVE-2021-40334SSH activation problem in the proprietary management protocol (port TCP 5558)

High 8.6

In plain English

A high-severity security flaw in FOX61x from Hitachi Energy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)8.6High
Exploit odds (30 days)1.0%top 37.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Missing Handler vulnerability in the proprietary management protocol (port TCP 5558) of Hitachi Energy FOX61x, XCM20 allows an attacker that exploits the vulnerability by activating SSH on port TCP 5558 to cause disruption to the NMS and NE communication. This issue affects: Hitachi Energy FOX61x versions prior to R15A. Hitachi Energy XCM20 versions prior to R15A.

Affected products (as reported)

VendorProductVersions
Hitachi Energy FOX61x R15A – before R15A
Hitachi Energy XCM20 R15A – before R15A

Weakness: CWE-431 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References