The STTP-based data publisher on openPDC accepts network connections without authentication in its default configuration. An unauthenticated network attacker can connect to this interface and exchange data with it.
History

Mon, 12 Oct 2026 08:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 11 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Grid Protection Alliance
Grid Protection Alliance openhistorian
Grid Protection Alliance openpdc
Vendors & Products Grid Protection Alliance
Grid Protection Alliance openhistorian
Grid Protection Alliance openpdc

Fri, 09 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Description The STTP-based data publisher on openPDC accepts network connections without authentication in its default configuration. An unauthenticated network attacker can connect to this interface and exchange data with it.
Title Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2026-10-09T13:52:01.605Z

Updated: 2026-10-11T17:05:29.076Z

Reserved: 2026-10-05T16:54:01.625Z

Link: CVE-2026-85479

cve-icon Vulnrichment

Updated: 2026-10-11T16:55:39.804Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-09T14:17:23.983

Modified: 2026-10-11T17:17:06.133

Link: CVE-2026-85479

cve-icon Redhat

No data.