CVE-2017-12069

high

Published 2017-08-30 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

8.2

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.2

Description

An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before 2017-03-21 and Local Discovery Server (LDS) before 1.03.367. Among the affected products are Siemens SIMATIC PCS7 (All versions V8.1 and earlier), SIMATIC WinCC (All versions < V7.4 SP1), SIMATIC WinCC Runtime Professional (All versions < V14 SP1), SIMATIC NET PC Software, and SIMATIC IT Production Suite. By sending specially crafted packets to the OPC Discovery Server at port 4840/tcp, an attacker might cause the system to access various resources chosen by the attacker.

Predictions

Exploit likelihood

88%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact

Vendor	Product	Versions
siemens	simatic_pcs7	`{"endIncluding":"8.1"}`
siemens	wincc	`{"endIncluding":"7.4"}`
ocpfoundation	local_discovery_server	`{"endIncluding":"1.01.333.0"}`
ocpfoundation	ua_.net	`{"endIncluding":"2017-03-21"}`

References

CWEs

CWE-611

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.