Improper access control in Hitachi Energy GMS600, PWC600, and Relion
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-35534 |
| CWE-ID | CWE-284 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
GMS600 Hardware solutions / Firmware PWC600 Hardware solutions / Firmware Relion 670 series Server applications / SCADA systems Relion 650 series Server applications / SCADA systems Relion SAM600-IO Server applications / SCADA systems |
| Vendor | ABB |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper access control
EUVDB-ID: #VU58817
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-35534
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote administrator can bypass implemented security restrictions and gain unauthorized access to the application.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGMS600: 1.2.0 - 1.3.1.0
PWC600: 1.0.1.0 - 1.1.0.1
Relion 670 series: 2.0 - 2.2.5
Relion 650 series: 1.0 - 2.2.5
Relion SAM600-IO: 2.2.1 - 2.2.5.1
External linkshttp://search.abb.com/library/Download.aspx?DocumentID=8DBD000059&LanguageCode=en&DocumentPartId=&Action=Launch
http://search.abb.com/library/Download.aspx?DocumentID=8DBD000058&LanguageCode=en&DocumentPartId=&Action=Launch
http://search.abb.com/library/Download.aspx?DocumentID=8DBD000060&LanguageCode=en&DocumentPartId=&Action=Launch
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
