high
7.5
CWE
20
Advisory Published
Updated

CVE-2021-27196: Specially Crafted IEC 61850 Protocol Sequence Vulnerability

First published: Mon Mar 15 2021(Updated: )

Improper Input Validation vulnerability in Hitachi ABB Power Grids Relion 670 Series, Relion 670/650 Series, Relion 670/650/SAM600-IO, Relion 650, REB500, RTU500 Series, FOX615 (TEGO1), MSM, GMS600, PWC600 allows an attacker with access to the IEC 61850 network with knowledge of how to reproduce the attack, as well as the IP addresses of the different IEC 61850 access points (of IEDs/products), to force the device to reboot, which renders the device inoperable for approximately 60 seconds. This vulnerability affects only products with IEC 61850 interfaces. This issue affects: Hitachi ABB Power Grids Relion 670 Series 1.1; 1.2.3 versions prior to 1.2.3.20; 2.0 versions prior to 2.0.0.13; 2.1; 2.2.2 versions prior to 2.2.2.3; 2.2.3 versions prior to 2.2.3.2. Hitachi ABB Power Grids Relion 670/650 Series 2.2.0 versions prior to 2.2.0.13. Hitachi ABB Power Grids Relion 670/650/SAM600-IO 2.2.1 versions prior to 2.2.1.6. Hitachi ABB Power Grids Relion 650 1.1; 1.2; 1.3 versions prior to 1.3.0.7. Hitachi ABB Power Grids REB500 7.3; 7.4; 7.5; 7.6; 8.2; 8.3. Hitachi ABB Power Grids RTU500 Series 7.x version 7.x and prior versions; 8.x version 8.x and prior versions; 9.x version 9.x and prior versions; 10.x version 10.x and prior versions; 11.x version 11.x and prior versions; 12.x version 12.x and prior versions. Hitachi ABB Power Grids FOX615 (TEGO1) R1D02 version R1D02 and prior versions. Hitachi ABB Power Grids MSM 2.1.0 versions prior to 2.1.0. Hitachi ABB Power Grids GMS600 1.3.0 version 1.3.0 and prior versions. Hitachi ABB Power Grids PWC600 1.0 versions prior to 1.0.1.4; 1.1 versions prior to 1.1.0.1.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Hitachienergy Relion 670 Firmware>=1.2.3<1.2.3.20
Hitachienergy Relion 670 Firmware>=2.0<2.0.0.13
Hitachienergy Relion 670 Firmware>=2.2.0<2.2.0.13
Hitachienergy Relion 670 Firmware>=2.2.1<2.2.1.6
Hitachienergy Relion 670 Firmware>=2.2.2<2.2.2.3
Hitachienergy Relion 670 Firmware>=2.2.3<2.2.3.2
Hitachienergy Relion 670 Firmware=1.1
Hitachienergy Relion 670 Firmware=2.1
Hitachienergy Relion 670
Hitachienergy Relion 650 Firmware>=1.3<1.3.0.7
Hitachienergy Relion 650 Firmware>=2.2.0<2.2.0.13
Hitachienergy Relion 650 Firmware>=2.2.1<2.2.1.6
Hitachienergy Relion 650 Firmware=1.1
Hitachienergy Relion 650 Firmware=1.2
Hitachienergy Relion 650 Firmware=2.1
Hitachienergy Relion 650
Hitachienergy Relion Sam600-io Firmware>=2.2.1<2.2.1.6
Hitachienergy Relion Sam600-io
Hitachienergy Rtu500 Firmware=7.0
Hitachienergy Rtu500 Firmware=8.0
Hitachienergy Rtu500 Firmware=9.0
Hitachienergy Rtu500 Firmware=10.0
Hitachienergy Rtu500 Firmware=11.0
Hitachienergy Rtu500 Firmware=12.0
Hitachienergy Rtu500
>=7.3<7.60.19
>=8.2<8.2.0.5
>=8.3<=8.3.1.0
<r2a16
<2.1.0
Hitachienergy Gms600 Firmware<=1.3.0
Hitachienergy Gms600
Hitachienergy Pwc600 Firmware>=1.0<1.0.1.4
Hitachienergy Pwc600 Firmware>=1.1<1.1.0.1
Hitachienergy Pwc600

Remedy

Refer to the cybersecurity advisories at https://www.hitachiabb-powergrids.com/offering/solutions/cybersecurity/alerts-and-notifications

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-27196?

    CVE-2021-27196 is an Improper Input Validation vulnerability in Hitachi ABB Power Grids Relion 670 Series, Relion 670/650 Series, Relion 670/650/SAM600-IO, Relion 650, REB500, RTU500 Series, FOX615 (TEGO1), MSM, GMS600, PWC600.

  • How severe is CVE-2021-27196?

    The severity of CVE-2021-27196 is high with a CVSS score of 7.5.

  • Which software versions are affected by CVE-2021-27196?

    CVE-2021-27196 affects various versions of Hitachi ABB Power Grids Relion 670 Series, Relion 650 Series, Relion 670/650/SAM600-IO, REB500, RTU500 Series, FOX615 (TEGO1), MSM, GMS600, and PWC600 firmware.

  • How can I fix CVE-2021-27196?

    To fix CVE-2021-27196, it is recommended to update to the latest firmware version provided by Hitachi ABB Power Grids.

  • Where can I find more information about CVE-2021-27196?

    More information about CVE-2021-27196 can be found in the references provided by ABB.

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