Vulnerability Description
Insecure Boot Image vulnerability in Hitachi Energy Relion Relion 670/650/SAM600-IO series allows an attacker who manages to get access to the front network port and to cause a reboot sequences of the device may exploit the vulnerability, where there is a tiny time gap during the booting process where an older version of VxWorks is loaded prior to application firmware booting, could exploit the vulnerability in the older version of VxWorks and cause a denial-of-service on the product. This issue affects: Hitachi Energy Relion 670 Series 2.2.2 all revisions; 2.2.3 versions prior to 2.2.3.3. Hitachi Energy Relion 670/650 Series 2.2.0 all revisions; 2.2.4 all revisions. Hitachi Energy Relion 670/650/SAM600-IO 2.2.1 all revisions.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hitachienergy | Relion 670 Firmware | >= 2.2.3, <= 2.2.3.3 |
| Hitachienergy | Relion 670 | - |
| Hitachienergy | Relion 650 Firmware | 2.2.0 |
| Hitachienergy | Relion 650 | - |
| Hitachienergy | Relion Sam600-Io Firmware | 2.2.1 |
| Hitachienergy | Relion Sam600-Io | - |
Related Weaknesses (CWE)
References
- https://search.abb.com/library/Download.aspx?DocumentID=8DBD000061&LanguageCode=Vendor Advisory
- https://search.abb.com/library/Download.aspx?DocumentID=8DBD000061&LanguageCode=Vendor Advisory
FAQ
What is CVE-2021-35535?
CVE-2021-35535 is a vulnerability with a CVSS score of 8.1 (HIGH). Insecure Boot Image vulnerability in Hitachi Energy Relion Relion 670/650/SAM600-IO series allows an attacker who manages to get access to the front network port and to cause a reboot sequences of the...
How severe is CVE-2021-35535?
CVE-2021-35535 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-35535?
Check the references section above for vendor advisories and patch information. Affected products include: Hitachienergy Relion 670 Firmware, Hitachienergy Relion 670, Hitachienergy Relion 650 Firmware, Hitachienergy Relion 650, Hitachienergy Relion Sam600-Io Firmware.