Hitachi Energy CoreTec 4/CoreTec 5 Time Synchronization os command injection

Summaryinfo

A vulnerability was found in Hitachi Energy CoreTec 4 and CoreTec 5. It has been rated as very critical. Affected by this issue is some unknown functionality of the component Time Synchronization Handler. The manipulation leads to os command injection. This vulnerability is referenced as CVE-2026-13162. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Hitachi Energy CoreTec 4 and CoreTec 5 (version unknown). It has been rated as very critical. This issue affects an unknown function of the component Time Synchronization Handler. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An OS command vulnerability exists in CoreTec product that allows authenticated users with certain roles to execute arbitrary system commands with full control over the device. The vulnerability exists in the configuration daemon's time synchronization handler, which is responsible for setting the system time-zone. When processing time-zone configuration updates, the daemon constructs a shell command by concatenating user-supplied input without any sanitization or validation.

It is possible to read the advisory at publisher.hitachienergy.com. The identification of this vulnerability is CVE-2026-13162 since 06/24/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/27/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Hitachi Energy

Name

• CoreTec 4
• CoreTec 5

License

• commercial

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