Jwt Attack
CVE-2022-3864
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A04:2025 - Cryptographic Failures
ASVS 5.0
V11 - Cryptography Signature verification
|
| Impact | CVSS score of 4.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required. EPSS exploitation probability: 0.03%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAIv1 – Mar 28, 2026
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.
Earlier versions of this analysis (1)
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 co
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.
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Technical ContextAI · show details
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.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
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
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.
Executive ViewAI
CVE-2022-3864 presents moderate security risk, a signature bypass vulnerability rated CVSS 4.5. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
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GitHub PoC
Exploit-DB