CVE-2017-6865· NVD / CVE Program· CNA siemens

A vulnerability has been identified in Primary Setup Tool (PST) (All versions < V4.2 HF1), SIMATIC Automation Tool (All versions < V3.0), SI

A vulnerability has been identified in Primary Setup Tool (PST) (All versions < V4.2 HF1), SIMATIC Automation Tool (All versions < V3.0), SIMATIC NET PC-Software (All versions < V14 SP1), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions < V8.2 SP1), SIMATIC STEP 7 (TIA Portal) V13 (All versions < V13 SP2), SIMATIC STEP 7 (TIA Portal) V14 (All versions < V14 SP1), SIMATIC STEP 7 V5.X (All versions < V5.6), SIMATIC WinAC RTX 2010 SP2 (All versions), SIMATIC WinAC RTX F 2010 SP2 (All versions), SIMATIC WinCC (TIA Portal) V13 (All versions < V13 SP2), SIMATIC WinCC (TIA Portal) V14 (All versions < V14 SP1), SIMATIC WinCC V7.2 and prior (All versions), SIMATIC WinCC V7.3 (All versions < V7.3 Update 15), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Upd1), SIMATIC WinCC flexible 2008 (All versions < flexible 2008 SP5), SINAUT ST7CC (All versions installed in conjunction with SIMATIC WinCC < V7.3 Update 15), SINEMA Server (All versions < V14), SINUMERIK 808D Programming Tool (All versions < V4.7 SP4 HF2), SMART PC Access (All versions < V2.3), STEP 7 - Micro/WIN SMART (All versions < V2.3), Security Configuration Tool (SCT) (All versions < V5.0). Specially crafted PROFINET DCP broadcast packets sent to the affected products on a local Ethernet segment (Layer 2) could cause a Denial-of-Service condition of some services. The services require manual restart to recover.

MediumCVSS 6.5 · v3.0—No exploit No fix recorded

BDU:2019-00766

Published: May 11, 2017
Updated: Jun 16, 2026
EPSS: 0.5% · 38th percentile
CWE: CWE-20

Follow this CVE

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 26 / 40 · 6.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.5%

Affected systems

Vendor	Product	CPE
siemens	pcs 7	cpe:2.3:a:siemens:pcs_7
siemens	primary setup tool	cpe:2.3:a:siemens:primary_setup_tool
siemens	security configuration tool	cpe:2.3:a:siemens:security_configuration_tool
siemens	simatic automation tool	cpe:2.3:a:siemens:simatic_automation_tool
siemens	simatic net pc-software	cpe:2.3:a:siemens:simatic_net_pc-software
siemens	simatic step 7 \(tia portal\)	cpe:2.3:a:siemens:simatic_step_7_\(tia_portal\)
siemens	simatic step 7 micro\/win smart	cpe:2.3:a:siemens:simatic_step_7_micro\/win_smart
siemens	simatic winac rtx 2010	cpe:2.3:a:siemens:simatic_winac_rtx_2010
siemens	simatic winac rtx f 2010	cpe:2.3:a:siemens:simatic_winac_rtx_f_2010
siemens	simatic wincc	cpe:2.3:a:siemens:simatic_wincc
siemens	simatic wincc \(tia portal\)	cpe:2.3:a:siemens:simatic_wincc_\(tia_portal\)
siemens	simatic wincc flexible 2008	cpe:2.3:a:siemens:simatic_wincc_flexible_2008

and 4 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

siemens pcs 7all versions
siemens primary setup toolall versions
siemens security configuration toolall versions
siemens simatic automation toolall versions
siemens simatic net pc-softwareall versions
siemens simatic step 7 (tia portal)13.0
siemens simatic step 7 (tia portal)14.0
siemens simatic step 7 (tia portal)5.0
siemens simatic step 7 micro/win smartall versions
siemens simatic winac rtx 2010all versions
siemens simatic winac rtx f 2010all versions
siemens simatic winccall versions
siemens simatic wincc (tia portal)13.0
siemens simatic wincc (tia portal)14.0
siemens simatic wincc flexible 2008all versions
siemens sinaut st7ccall versions
siemens sinema serverall versions
siemens sinumerik 808d programming toolall versions
siemens smart pc access2.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (siemens). Independent of NVD's CPE analysis and usually ahead of it.

Siemens AG Primary Setup Tool (PST)
- All versions < V4.2 HF1affected
Siemens AG Security Configuration Tool (SCT)
- All versions < V5.0, All versions < V5.0affected
Siemens AG SIMATIC Automation Tool
- All versions < V3.0affected
Siemens AG SIMATIC NET PC-Software
- All versions < V14 SP1affected
Siemens AG SIMATIC PCS 7 V8.1
- All versionsaffected
Siemens AG SIMATIC PCS 7 V8.2
- All versions < V8.2 SP1affected
Siemens AG SIMATIC STEP 7 (TIA Portal) V13
- All versions < V13 SP2affected
Siemens AG SIMATIC STEP 7 (TIA Portal) V14
- All versions < V14 SP1affected
Siemens AG SIMATIC STEP 7 V5.X
- All versions < V5.6affected
Siemens AG SIMATIC WinAC RTX 2010 SP2
- All versionsaffected
Siemens AG SIMATIC WinAC RTX F 2010 SP2
- All versionsaffected
Siemens AG SIMATIC WinCC (TIA Portal) V13
- All versions < V13 SP2affected

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Someone on the same network segment can trigger it.
No account or password is required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: none
Integrity: none
Availability: high · the service can be disrupted

Attack vector: Adjacent
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: None
Availability impact: High

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records