CVE-2022-3864
CVE-2022-3864 is a medium-severity vulnerability in Hitachienergy Relion 650 Firmware with a CVSS 3.x base score of 4.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.
Key facts
- Severity: Medium (CVSS 3.x base score 4.5)
- EPSS exploit prediction: 0% (27th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2022-43204
- Weakness: CWE-347
- Affected product: Hitachienergy Relion 650 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2022-3864?
- 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.
- How severe is CVE-2022-3864?
- CVE-2022-3864 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-3864 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-3864?
- CVE-2022-3864 primarily affects Hitachienergy Relion 650 Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-3864?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2022-3864 have an EU (EUVD) identifier?
- Yes. CVE-2022-3864 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-43204.
- When was CVE-2022-3864 published?
- CVE-2022-3864 was published on 2024-01-04 and last updated on 2026-06-17.
References
Affected products (11)
- cpe:2.3:o:hitachienergy:relion_650_firmware:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_650_firmware:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_650_firmware:2.2.4:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_650_firmware:2.2.5:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_670_firmware:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_670_firmware:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_670_firmware:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_670_firmware:2.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_670_firmware:2.2.4:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_670_firmware:2.2.5:*:*:*:*:*:*:*
- cpe:2.3:o:hitachienergy:relion_sam600-io_firmware:2.2.1:*:*:*:*:*:*:*
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