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CVE-2019-10936

HIGH
7.5
CVSS Score
Published: October 10, 2019 at 12:00 AM UTC
Updated: June 17, 2026 at 02:11 AM UTC
202 products affected across 1 vendorSIMATIC S7-1200 CPU 1211C FirmwareSIMATIC S7-1200 CPU 1212C FirmwareSIMATIC S7-1200 CPU 1214C Firmware

Using Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller by Siemens?

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Affected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated remote attacker to trigger a denial of service condition.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dk Standard Ethernet Controller Firmware· Siemens
95%
All versions
Ek Ertec 200 Firmware· Siemens
95%
All versions
Ek Ertec 200P Firmware· Siemens
95%
v < 4.64.6
Affected range stops below 4.6, so it looks safe — our inference, not a vendor statement
SIMATIC Cfu Pa Firmware· Siemens
95%
v < 1.2.0v < V1.2.0
Affected range stops below 1.2.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V1.2.0, so it looks safe — our inference, not a vendor statement
SIMATIC Et 200AL Firmware· Siemens
95%
All versions
siemens-simatic-et-200al (same device)
SIMATIC Et 200ECOPN Firmware· Siemens
95%
All versions
siemens-simatic-et-200eco-pn (same device)
SIMATIC Et 200M Firmware· Siemens
95%
All versions
SIMATIC Et 200MP Im 155-5 Pn Ba Firmware· Siemens
95%
v < 4.3.0v < V4.3.0
Affected range stops below 4.3.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.3.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-et-200mp-im-155-5-pn-ba (same device)
SIMATIC Et 200MP Im 155-5 Pn Hf Firmware· Siemens
95%
v < 4.4.0v < V4.4.0
Affected range stops below 4.4.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.4.0, so it looks safe — our inference, not a vendor statement
siemens-simatic-et-200mp-im-155-5-pn-hf (same device)
SIMATIC Et 200MP Im 155-5 Pn St Firmware· Siemens
95%
All versions
siemens-simatic-et-200mp-im-155-5-pn-st (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Source: [email protected]
https://cert-portal.siemens.com/productcert/html/ssa-473245.html
Vendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-473245.pdf

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHsiemens
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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