Privilege escalation in Hitachi Energy Gms600
CVE-2021-35534
Insufficient security control vulnerability in internal database access mechanism of Hitachi Energy Relion 670/650/SAM600-IO, Relion 650, GMS600, PWC600 allows attacker who successfully exploited this vulnerability, of which the product does not sufficiently restrict access to an internal database tables, could allow anybody with user credentials to bypass security controls that is enforced by the product. Consequently, exploitation may lead to unauthorized modifications on data/firmware, and/or to permanently disabling the product. This issue affects: Hitachi Energy Relion 670 Series 2.0 all revisions; 2.2.2 all revisions; 2.2.3 versions prior to 2.2.3.5. Hitachi Energy Relion 670/650 Series 2.1 all revisions. 2.2.0 all revisions; 2.2.4 all revisions; Hitachi Energy Relion 670/650/SAM600-IO 2.2.1 all revisions; 2.2.5 versions prior to 2.2.5.2. Hitachi Energy Relion 650 1.0 all revisions. 1.1 all revisions; 1.2 all revisions; 1.3 versions prior to 1.3.0.8; Hitachi Energy GMS600 1.3.0; 1.3.0.1; 1.2.0. Hitachi Energy PWC600 1.0.1 version 1.0.1.4 and prior versions; 1.1.0 version 1.1.0.1 and prior versions.
EPSS: 0.017 (74.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hitachi Energy Gms600 — versions 1.3.0, 1.3.1.0 1.3.0.1, 1.2.0
- Hitachi Energy Pwc600 — versions 1.0.1, 1.1.0
- Hitachi Energy Relion 650 — versions 1.1 all revisions, 1.2 all revisions, 1.0 all revisions
- Hitachi Energy Relion 670/650/sam600-io — versions 2.2.1 all revisions, 2.2.5
- Hitachi Energy Relion 670/650 Series — versions 2.2.0 all revisions, 2.2.4 all revisions, 2.1 all revisions
- Hitachi Energy Relion 670 Series — versions 2.0 all revisions, 2.2.2 all revisions, 2.2.3
- Hitachienergy Gms600
- Hitachienergy Gms600_firmware — versions 1.2.0, 1.3.0, 1.3.1.0
- Hitachienergy Pwc600
- Hitachienergy Pwc600_firmware — versions 1.0.1.0, 1.0.1.1, 1.0.1.3
Weakness classification (CWE)
References
- cybersecurity@hitachienergy.com (x_refsource_CONFIRM, Vendor Advisory)
- cybersecurity@hitachienergy.com (x_refsource_CONFIRM, Vendor Advisory)
- cybersecurity@hitachienergy.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-35534?
- CVE-2021-35534 is a high-severity vulnerability in Hitachi Energy Gms600, classified under Improper Handling of Insufficient Privileges. CVSS score: 7.2/10. Published 2021-11-18.
- How severe is CVE-2021-35534?
- High severity. CVSS v3 base score is 7.2 out of 10.