What is the CVSS score of CVE-2022-3864?

CVE-2022-3864 has a CVSS 3.1 base score of 4.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Jwt Attack are affected by CVE-2022-3864?

CVE-2022-3864 presents moderate security risk, a signature bypass vulnerability rated CVSS 4.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2022-3864?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Jwt Attack CVE-2022-3864

MEDIUM

Improper Verification of Cryptographic Signature (CWE-347)

2024-01-04 cybersecurity@hitachienergy.com

Denial Of Service Jwt Attack Relion 650 Firmware Relion 670 Firmware Relion Sam600 Io Firmware

4.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:33 vuln.today

CVE Published

Jan 04, 2024 - 10:15 nvd

MEDIUM 4.5

DescriptionCVE.org

A vulnerability exists in the Relion update package signature validation. A tampered update package could cause the IED to restart. After restart the device is back to normal operation. An attacker could exploit the vulnerability by first gaining access to the system with security privileges and attempt to update the IED with a malicious update package. Successful exploitation of this vulnerability will cause the IED to restart, causing a temporary Denial of Service.

AnalysisAI

A vulnerability exists in the Relion update package signature validation. Rated medium severity (CVSS 4.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-347. A vulnerability exists in the Relion update package signature validation. A tampered update package could cause the IED to restart. After restart the device is back to normal operation. An attacker could exploit the vulnerability by first gaining access to the system with security privileges and attempt to update the IED with a malicious update package. Successful exploitation of this vulnerability will cause the IED to restart, causing a temporary Denial of Service. Affected products include: Hitachienergy Relion 650 Firmware, Hitachienergy Relion 670 Firmware, Hitachienergy Relion Sam600-Io Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.