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Fencer Vulns
critical 9.1

CVE-2019-6569 json

The monitor barrier of the affected products insufficiently blocks data from being forwarded over the mirror port into the mirrored network.

published 2019-03-26 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16128

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

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.

Patch / fix

  • siemens scalance_x-200_firmware 5.2.4
  • siemens scalance_x-300_firmware 4.1.3
  • siemens scalance_xp-200_firmware 4.1
  • siemens scalance_xc-200_firmware 4.1
  • siemens scalance_xf-200_firmware 4.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-19-085-01 updated cvss 5.4

Siemens SCALANCE X (Update D)

  • Siemens SCALANCE X204-2 <V5.2.6 Siemens SCALANCE X204-2FM <V5.2.6 Siemens SCALANCE X204-2LD <V5.2.6 Siemens SCALANCE X204-2LD TS <V5.2.6 Siemens SCALANCE X204-2TS <V5.2.6 Siemens SCALANCE X206-1 <V5.2.6
    +7 more products
    Siemens SCALANCE X206-1LD <V5.2.6 Siemens SCALANCE X208 <V5.2.6 Siemens SCALANCE X208PRO <V5.2.6 Siemens SCALANCE X212-2 <V5.2.6 Siemens SCALANCE X212-2LD <V5.2.6 Siemens SCALANCE X216 <V5.2.6 Siemens SCALANCE X224 <V5.2.6
    affected: fixed in V5.2.6, mitigation support.industry.siemens.com
  • Siemens SCALANCE X302-7 EEC (2x 24V, coated) <V4.1.3 Siemens SCALANCE X302-7 EEC (2x 24V) <V4.1.3 Siemens SCALANCE X302-7 EEC (2x 230V, coated) <V4.1.3 Siemens SCALANCE X302-7 EEC (2x 230V) <V4.1.3 Siemens SCALANCE X302-7 EEC (24V, coated) <V4.1.3 Siemens SCALANCE X302-7 EEC (24V) <V4.1.3
    +21 more products
    Siemens SCALANCE X302-7 EEC (230V, coated) <V4.1.3 Siemens SCALANCE X302-7 EEC (230V) <V4.1.3 Siemens SCALANCE X304-2FE <V4.1.3 Siemens SCALANCE X306-1LD FE <V4.1.3 Siemens SCALANCE X307-2 EEC (2x 24V, coated) <V4.1.3 Siemens SCALANCE X307-2 EEC (2x 24V) <V4.1.3 Siemens SCALANCE X307-2 EEC (2x 230V, coated) <V4.1.3 Siemens SCALANCE X307-2 EEC (2x 230V) <V4.1.3 Siemens SCALANCE X307-2 EEC (24V, coated) <V4.1.3 Siemens SCALANCE X307-2 EEC (24V) <V4.1.3 Siemens SCALANCE X307-2 EEC (230V, coated) <V4.1.3 Siemens SCALANCE X307-2 EEC (230V) <V4.1.3 Siemens SCALANCE X307-3 <V4.1.3 Siemens SCALANCE X307-3LD <V4.1.3 Siemens SCALANCE X308-2 <V4.1.3 Siemens SCALANCE X308-2LD <V4.1.3 Siemens SCALANCE X308-2LH <V4.1.3 Siemens SCALANCE X308-2LH+ <V4.1.3 Siemens SCALANCE X308-2M <V4.1.3 Siemens SCALANCE X308-2M PoE <V4.1.3 Siemens SCALANCE X308-2M TS <V4.1.3
    affected: fixed in V4.1.3, mitigation support.industry.siemens.com

76 more affected in the full advisory

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Affected products

  • Siemens SCALANCE X204-2
  • Siemens SCALANCE X204-2FM
  • Siemens SCALANCE X204-2LD
  • Siemens SCALANCE X204-2LD TS
  • Siemens SCALANCE X204-2TS
  • Siemens SCALANCE X206-1
  • Siemens SCALANCE X206-1LD
  • Siemens SCALANCE X208
  • Siemens SCALANCE X208PRO
  • Siemens SCALANCE X212-2
  • Siemens SCALANCE X212-2LD
  • Siemens SCALANCE X216
  • Siemens SCALANCE X224
  • Siemens SCALANCE X302-7 EEC (230V)
  • Siemens SCALANCE X302-7 EEC (230V, coated)
  • Siemens SCALANCE X302-7 EEC (24V)
  • Siemens SCALANCE X302-7 EEC (24V, coated)
  • Siemens SCALANCE X302-7 EEC (2x 230V)
  • Siemens SCALANCE X302-7 EEC (2x 230V, coated)
  • Siemens SCALANCE X302-7 EEC (2x 24V)
  • Siemens SCALANCE X302-7 EEC (2x 24V, coated)
  • Siemens SCALANCE X304-2FE
  • Siemens SCALANCE X306-1LD FE
  • Siemens SCALANCE X307-2 EEC (230V)
  • Siemens SCALANCE X307-2 EEC (230V, coated)
  • Siemens SCALANCE X307-2 EEC (24V)
  • Siemens SCALANCE X307-2 EEC (24V, coated)
  • Siemens SCALANCE X307-2 EEC (2x 230V)
  • Siemens SCALANCE X307-2 EEC (2x 230V, coated)
  • Siemens SCALANCE X307-2 EEC (2x 24V)
  • Siemens SCALANCE X307-2 EEC (2x 24V, coated)
  • Siemens SCALANCE X307-3
  • Siemens SCALANCE X307-3LD
  • Siemens SCALANCE X308-2
  • Siemens SCALANCE X308-2LD
  • Siemens SCALANCE X308-2LH
  • Siemens SCALANCE X308-2LH+
  • Siemens SCALANCE X308-2M
  • Siemens SCALANCE X308-2M PoE
  • Siemens SCALANCE X308-2M TS
  • Siemens SCALANCE X310
  • Siemens SCALANCE X310FE
  • Siemens SCALANCE X320-1 FE
  • Siemens SCALANCE X320-1-2LD FE
  • Siemens SCALANCE X408-2
  • Siemens SCALANCE XB205-3 (SC)
  • Siemens SCALANCE XB205-3 (ST/BFOC)
  • Siemens SCALANCE XB205-3LD
  • Siemens SCALANCE XB208
  • Siemens SCALANCE XB213-3 (SC)

Classification

Weakness
  • CWE-440 Expected Behavior Violation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.