CVE-2019-6568

HIGH
7.5
CVSS Score
Published: April 17, 2019 at 01:40 PM UTC
Updated: June 17, 2026 at 02:39 AM UTC
140 products affected across 1 vendorSIMATIC S7-1500 Software ControllerSIMATIC S7 PLCSIM AdvancedSIMATIC WinCC Runtime Advanced

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

The webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation which leads to a restart of the webserver of the affected device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device.

Affected

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

All versions
siemens-cp-1604 (same device)
All versions
siemens-cp-1616 (same device)
All versions
siemens-simatic-cp343-1-advanced (same device)
All versions
siemens-simatic-cp443-1-advanced (same device)
All versions
siemens-simatic-cp443-1 (same device)
v < 2.1.6
Affected range stops below 2.1.6, so it looks safe — our inference, not a vendor statement
siemens-simatic-et-200-sp-open-controller-cpu-1515sp-pc (same device)
v < 2.7
Affected range stops below 2.7, so it looks safe — our inference, not a vendor statement
siemens-simatic-et-200-sp-open-controller-cpu-1515sp-pc2 (same device)
v < 15.115.1
Affected range stops below 15.1, so it looks safe — our inference, not a vendor statement
siemens-simatic-hmi-comfort-outdoor-panels (same device)
v < 15.115.1
Affected range stops below 15.1, so it looks safe — our inference, not a vendor statement
siemens-simatic-hmi-comfort-panels (same device)

Remediation

No guide yet

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

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-125

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