CRITICALCVSS 9.1Vulnerability
CVE-2026-8066
A directory traversal vulnerability in the file upload functionality of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to write or overwrite arbitrary files on the device file system. Depending on the files affected, successful exploitation could result in unauthorized modification of device data or disruption of the device’s intended operation.
Properties
- Severity
- CRITICAL
- Epss score
- 0.00736
- Cvss score
- 9.1
- Cvss severity
- CRITICAL
- Retrieved at
- 2026-10-21T01:24:51+00:00
- Last source
- FIRST EPSS
- Score
- 9.1
- Cve id
- CVE-2026-8066
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- First seen by Signal
- 2026-10-18T14:03:35+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Published at
- 2026-09-29T10:17:13.250
- Last modified
- 2026-09-29T21:39:02.570
- Epss percentile
- 0.53696
Related Entities (1)
HAS_WEAKNESS (1)
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