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Vulnerability record · CVE-2019-6569 · published 26 March 2019

CVE-2019-6569: Siemens scalance x-200 firmware vulnerability

Siemens · Scalance X 200 Firmware

The monitor barrier of the affected products insufficiently blocks data from being forwarded over the mirror port into the mirrored network. An attacker could use this behavior to transmit malicious packets to systems in the mirrored network, possibly influencing their configuration and runtime behavior.

9.1 CVSS 3.1 Critical EPSS 1.3% · top 30.1% CWE-440 · CWE-440
9.1CVSS 3.1 base score, v2 6.4
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The monitor barrier of the affected products insufficiently blocks data from being forwarded over the mirror port into the mirrored network. An attacker could use this behavior to transmit malicious packets to systems in the mirrored network, possibly influencing their configuration and runtime behavior.

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-557804.pdf PatchVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-557804.pdf PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.1CVE-2022-36323Siemens scalance m-800 firmware injection vulnerabilityAffected devices do not properly sanitize an input field. This could allow an authenticated remote attacker with administrative privileges to inject …EPSS 1.7%8.8CVE-2021-25667Siemens ruggedcom rm1224 firmware stack-based buffer overflow vulnerabilityA vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE…EPSS 0.86%8.8CVE-2017-12736Siemens scalance xb-200 firmware insecure default initialization vulnerabilityAfter initial configuration, the Ruggedcom Discovery Protocol (RCDP) is still able to write to the device under certain conditions. This could allow …EPSS 1.1%8.7CVE-2020-28400Siemens dk standard ethernet controller evaluation kit firmware allocation without limits vulnerabilityAffected devices contain a vulnerability that allows an unauthenticated attacker to trigger a denial of service condition. The vulnerability can be t…EPSS 1.9%8.6CVE-2019-13933Siemens scalance x-200rna firmware missing authentication for critical function vulnerabilityA vulnerability has been identified in SCALANCE X204RNA (HSR), SCALANCE X204RNA (PRP), SCALANCE X204RNA EEC (HSR), SCALANCE X204RNA EEC (PRP), SCALAN…EPSS 1.4%8.6CVE-2019-10942Siemens scalance x-200 firmware uncontrolled resource consumption vulnerabilityA vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch fam…EPSS 1.4%7.8CVE-2012-1802Siemens scalance x414-3e firmware memory buffer overflow vulnerabilityBuffer overflow in the embedded web server on the Siemens Scalance X Industrial Ethernet switch X414-3E before 3.7.1, X308-2M before 3.7.2, X-300EEC …EPSS 6.1%7.5CVE-2022-36324Siemens scalance m-800 firmware allocation without limits vulnerabilityAffected devices do not properly handle the renegotiation of SSL/TLS parameters. This could allow an unauthenticated remote attacker to bypass the TC…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2019-6569), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.