NVD / CVE Program· CNA siemens

CVE-2019-19300: A vulnerability has been identified in Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200, Development/Evaluation Kits for PROFINET I

Noroxi assessment

Priority: Monitor (action score 31/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 1.7% (FIRST EPSS); higher than 77.5% of all records.
Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
According to the record, no fixed version is available yet.
Mentioned 2 times in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A vulnerability has been identified in Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200, Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P, KTK ATE530S, SIDOOR ATD430W, SIDOOR ATE530S COATED, SIDOOR ATE531S, SIMATIC ET 200AL IM 157-1 PN (6ES7157-1AB00-0AB0), SIMATIC ET 200eco PN, AI 8xRTD/TC, M12-L (6ES7144-6JF00-0BB0), SIMATIC ET 200eco PN, CM 4x IO-Link, M12-L (6ES7148-6JE00-0BB0), SIMATIC ET 200eco PN, CM 8x IO-Link, M12-L (6ES7148-6JG00-0BB0), SIMATIC ET 200eco PN, CM 8x IO-Link, M12-L (6ES7148-6JJ00-0BB0), SIMATIC ET 200eco PN, DI 16x24VDC, M12-L (6ES7141-6BH00-0BB0), SIMATIC ET 200eco PN, DI 8x24VDC, M12-L (6ES7141-6BG00-0BB0), SIMATIC ET 200eco PN, DIQ 16x24VDC/2A, M12-L (6ES7143-6BH00-0BB0), SIMATIC ET 200eco PN, DQ 8x24VDC/0,5A, M12-L (6ES7142-6BG00-0BB0), SIMATIC ET 200eco PN, DQ 8x24VDC/2A, M12-L (6ES7142-6BR00-0BB0), SIMATIC ET 200MP IM 155-5 PN HF (6ES7155-5AA00-0AC0), SIMATIC ET 200pro IM 154-8 PN/DP CPU (6ES7154-8AB01-0AB0), SIMATIC ET 200pro IM 154-8F PN/DP CPU (6ES7154-8FB01-0AB0), SIMATIC ET 200pro IM 154-8FX PN/DP CPU (6ES7154-8FX00-0AB0), SIMATIC ET 200S IM 151-8 PN/DP CPU (6ES7151-8AB01-0AB0), SIMATIC ET 200S IM 151-8F PN/DP CPU (6ES7151-8FB01-0AB0), SIMATIC ET 200SP IM 155-6 MF HF (6ES7155-6MU00-0CN0), SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants), SIMATIC ET 200SP IM 155-6 PN HF (6ES7155-6AU00-0CN0), SIMATIC ET 200SP IM 155-6 PN/2 HF (6ES7155-6AU01-0CN0), SIMATIC ET 200SP IM 155-6 PN/3 HF (6ES7155-6AU30-0CN0), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants), SIMATIC MICRO-DRIVE PDC, SIMATIC PN/MF Coupler (6ES7158-3MU10-0XA0), SIMATIC PN/PN Coupler (6ES7158-3AD10-0XA0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants), SIMATIC S7-1500 CPU family (incl. related ET 200 CPUs and SIPLUS variants), SIMATIC S7-1500 Software Controller, SIMATIC S7-300 CPU 314C-2 PN/DP (6ES7314-6EH04-0AB0), SIMATIC S7-300 CPU 315-2 PN/DP (6ES7315-2EH14-0AB0), SIMATIC S7-300 CPU 315F-2 PN/DP (6ES7315-2FJ14-0AB0), SIMATIC S7-300 CPU 315T-3 PN/DP (6ES7315-7TJ10-0AB0), SIMATIC S7-300 CPU 317-2 PN/DP (6ES7317-2EK14-0AB0), SIMATIC S7-300 CPU 317F-2 PN/DP (6ES7317-2FK14-0AB0), SIMATIC S7-300 CPU 317T-3 PN/DP (6ES7317-7TK10-0AB0), SIMATIC S7-300 CPU 317TF-3 PN/DP (6ES7317-7UL10-0AB0), SIMATIC S7-300 CPU 319-3 PN/DP (6ES7318-3EL01-0AB0), SIMATIC S7-300 CPU 319F-3 PN/DP (6ES7318-3FL01-0AB0), SIMATIC S7-400 H V6 and below CPU family (incl. SIPLUS variants), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants), SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants), SIMATIC TDC CP51M1, SIMATIC TDC CPU555, SIMATIC WinAC RTX 2010 (6ES7671-0RC08-0YA0), SIMATIC WinAC RTX F 2010 (6ES7671-1RC08-0YA0), SINAMICS S/G Control Unit w. PROFINET, SIPLUS ET 200MP IM 155-5 PN HF (6AG1155-5AA00-2AC0), SIPLUS ET 200MP IM 155-5 PN HF (6AG1155-5AA00-7AC0), SIPLUS ET 200MP IM 155-5 PN HF T1 RAIL (6AG2155-5AA00-1AC0), SIPLUS ET 200S IM 151-8 PN/DP CPU (6AG1151-8AB01-7AB0), SIPLUS ET 200S IM 151-8F PN/DP CPU (6AG1151-8FB01-2AB0), SIPLUS ET 200SP IM 155-6 PN HF (6AG1155-6AU00-2CN0), SIPLUS ET 200SP IM 155-6 PN HF (6AG1155-6AU00-4CN0), SIPLUS ET 200SP IM 155-6 PN HF (6AG1155-6AU01-2CN0), SIPLUS ET 200SP IM 155-6 PN HF (6AG1155-6AU01-7CN0), SIPLUS ET 200SP IM 155-6 PN HF T1 RAIL (6AG2155-6AU00-1CN0), SIPLUS ET 200SP IM 155-6 PN HF T1 RAIL (6AG2155-6AU01-1CN0), SIPLUS ET 200SP IM 155-6 PN HF TX RAIL (6AG2155-6AU01-4CN0), SIPLUS NET PN/PN Coupler (6AG2158-3AD10-4XA0), SIPLUS S7-300 CPU 314C-2 PN/DP (6AG1314-6EH04-7AB0), SIPLUS S7-300 CPU 315-2 PN/DP (6AG1315-2EH14-7AB0), SIPLUS S7-300 CPU 315F-2 PN/DP (6AG1315-2FJ14-2AB0), SIPLUS S7-300 CPU 317-2 PN/DP (6AG1317-2EK14-7AB0), SIPLUS S7-300 CPU 317F-2 PN/DP (6AG1317-2FK14-2AB0). The Interniche-based TCP Stack can be forced to make very expensive calls for every incoming packet which can lead to a denial of service.

HighCVSS 7.5 · v3.1—No exploit No fix recorded

Published: Apr 14, 2020
Updated: Jun 16, 2026
EPSS: 1.7% · 77th percentile
CWE: CWE-400

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 30 / 40 · 7.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 1 / 30 · 1.7%

CNA vs NVD score

NVD: 7.5
CNA · siemens: 7.5; agree

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
siemens	ktk ate530s firmware	cpe:2.3:o:siemens:ktk_ate530s_firmware
siemens	ktk ate530s	cpe:2.3:h:siemens:ktk_ate530s
siemens	sidoor atd430w firmware	cpe:2.3:o:siemens:sidoor_atd430w_firmware
siemens	sidoor atd430w	cpe:2.3:h:siemens:sidoor_atd430w
siemens	sidoor ate530s coated firmware	cpe:2.3:o:siemens:sidoor_ate530s_coated_firmware
siemens	sidoor ate530s coated	cpe:2.3:h:siemens:sidoor_ate530s_coated
siemens	sidoor ate531s firmware	cpe:2.3:o:siemens:sidoor_ate531s_firmware
siemens	sidoor ate531s	cpe:2.3:h:siemens:sidoor_ate531s
siemens	simatic et 200sp open controller cpu 1515sp pc firmware	cpe:2.3:o:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc_firmware
siemens	simatic et 200sp open controller cpu 1515sp pc	cpe:2.3:h:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc
siemens	simatic et 200sp open controller cpu 1515sp pc2 firmware	cpe:2.3:o:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2_firmware
siemens	simatic et 200sp open controller cpu 1515sp pc2	cpe:2.3:h:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2

and 53 more

Affected versions

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

siemens ktk ate530s firmwareall versions
siemens sidoor atd430w firmwareall versions
siemens sidoor ate530s coated firmwareall versions
siemens sidoor ate531s firmwareall versions
siemens simatic et 200sp open controller cpu 1515sp pc firmwarebefore 2.0
siemens simatic et 200sp open controller cpu 1515sp pc2 firmwarebefore 2.0
siemens simatic et200mp im155-5 pn hf firmwareup to 4.2 inclusive
siemens simatic et200sp im155-6 mf hf firmwareall versions
siemens simatic et200sp im155-6 pn ha firmwareall versions
siemens simatic et200sp im155-6 pn hf firmwareup to 4.2 inclusive
siemens simatic et200sp im155-6 pn/2 hf firmwareup to 4.2 inclusive
siemens simatic micro-drive pdc firmwareall versions
siemens simatic pn/pn coupler firmwareup to 4.2 inclusive
siemens simatic s7-1500before 2.0
siemens simatic s7-1500 cpu 1511-1 pn firmwarebefore 2.0
siemens simatic s7-1500 cpu 1511f-1 pn firmwarebefore 2.0
siemens simatic s7-1500 cpu 1513-1 pn firmwarebefore 2.0
siemens simatic s7-1500 cpu 1513f-1 pn firmwarebefore 2.0
siemens simatic s7-1500 cpu 1515-2 pn firmwarebefore 2.0
siemens simatic s7-1500 cpu 1515f-2 pn firmwarebefore 2.0

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 Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200
- all versionsaffected
Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P
- all versionsaffected
Siemens KTK ATE530S
- all versionsaffected
Siemens SIDOOR ATD430W
- all versionsaffected
Siemens SIDOOR ATE530S COATED
- all versionsaffected
Siemens SIDOOR ATE531S
- all versionsaffected
Siemens SIMATIC ET 200AL IM 157-1 PN
- all versionsaffected
Siemens SIMATIC ET 200eco PN, AI 8xRTD/TC, M12-L
- V5.1.1 and later · before V5.1.2affected
Siemens SIMATIC ET 200eco PN, CM 4x IO-Link, M12-L
- V5.1.1 and later · before V5.1.2affected
Siemens SIMATIC ET 200eco PN, CM 8x IO-Link, M12-L
- V5.1.1 and later · before V5.1.2affected
- V5.1.1 and later · before V5.1.2affected
Siemens SIMATIC ET 200eco PN, DI 16x24VDC, M12-L
- V5.1.1 and later · before V5.1.2affected
Siemens SIMATIC ET 200eco PN, DI 8x24VDC, M12-L
- V5.1.1 and later · before V5.1.2affected

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.

No history yet (it accumulates with the daily EPSS job).

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).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-20-336 · May 13, 2020(Siemens Endüstriyel Ürünler Zafiyeti)
TR-20-226 · Apr 15, 2020(Siemens Endüstriyel Ürünler Zafiyeti)

All national notices →

Technical details

Attack conditions

Anyone who can reach it over the internet 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: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: None
Availability impact: High

Weakness class (CWE)

CWE-400 · Uncontrolled Resource Consumption

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Root cause

Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.

The bug in code

The whole CWE-400 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1function expand(node) {
2  return node.children.map(expand);
3}

Fixed

1const MAX_DEPTH = 32;
2function expand(node, depth = 0) {
3  if (depth > MAX_DEPTH) throw new Error("too deep");
4  return node.children.map((c) => expand(c, depth + 1));
5}

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

Endpoint Denial of ServiceT1499

Change log

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

References

cert-portal.siemens.com/productcert/html/ssa-593272.html

Show all references (1 more)

cert-portal.siemens.com/productcert/pdf/ssa-593272.pdf

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

All records