Hitachi Energy Relion REB500 Product Privilege Defined with Unsafe Actions (CVE-2026-2459)

high Tenable OT Security Plugin ID 505202

Version 1.4

Mar 5, 2026, 11:56 PM

  • Plugin metadata

Plugin Feed: 202603052356

Version 1.3

Mar 3, 2026, 6:06 AM

  • Plugin metadata (Plugin name update)

Plugin Feed: 202603030606

Version 1.2

Mar 2, 2026, 12:44 PM

  • CVSS metrics ("CVSSv2 score" set to 8.5)
  • CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N")
  • CVSS metrics ("Cvssv4 score" set to 7.4)
  • CVSS metrics ("Cvssv4 threat vector" set to "CVSS:4.0/E:U")
  • CVSS metrics ("Cvssv4 vector" set to "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N")
  • CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C")
  • CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C")
  • Exploit attributes ("Exploit available" set to "False")
  • Exploit attributes ("Exploitability ease" set to "No known exploits are available")

Plugin Feed: 202603021244

Version 1.1

Feb 27, 2026, 6:59 AM

  • New

Plugin Feed: 202602270659

* Changelogs are generally available for changes made after Nov 1, 2022