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CVE-2022-3864

MEDIUMCVSS 4.5/10EPSS 0.35%

Last modified

CVE-2022-3864 is a medium-severity vulnerability rated 4.5/10 on the CVSS scale. A vulnerability exists in the Relion update package signature validation. A tampered update package could cause the IED to restart. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.5/10

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

EPSS Probability
0.35%

27.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HitachienergyRelion 650 Firmware2.2.0
HitachienergyRelion 650 Firmware2.2.1
HitachienergyRelion 650 Firmware2.2.4
HitachienergyRelion 650 Firmware2.2.5
HitachienergyRelion 670 Firmware2.2.0
HitachienergyRelion 670 Firmware2.2.1
HitachienergyRelion 670 Firmware2.2.2
HitachienergyRelion 670 Firmware2.2.3
HitachienergyRelion 670 Firmware2.2.4
HitachienergyRelion 670 Firmware2.2.5
HitachienergyRelion Sam600-Io Firmware2.2.1

References

Timeline

Published
Last Modified
Status
Modified

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 score of 4.5/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2022-3864?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3864?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST