CVE-2019-19301

HIGH

Siemens SCALANCE and SIMATIC - Denial of Service via Profinet TCP Stack

Title source: llm
STIX 2.1

Description

A vulnerability has been identified in SCALANCE X200-4P IRT, SCALANCE X201-3P IRT, SCALANCE X201-3P IRT PRO, SCALANCE X202-2IRT, SCALANCE X202-2P IRT, SCALANCE X202-2P IRT PRO, SCALANCE X204-2, SCALANCE X204-2FM, SCALANCE X204-2LD, SCALANCE X204-2LD TS, SCALANCE X204-2TS, SCALANCE X204IRT, SCALANCE X204IRT PRO, SCALANCE X206-1, SCALANCE X206-1LD, SCALANCE X208, SCALANCE X208PRO, SCALANCE X212-2, SCALANCE X212-2LD, SCALANCE X216, SCALANCE X224, SCALANCE X302-7 EEC (230V, coated), SCALANCE X302-7 EEC (230V), SCALANCE X302-7 EEC (24V, coated), SCALANCE X302-7 EEC (24V), SCALANCE X302-7 EEC (2x 230V, coated), SCALANCE X302-7 EEC (2x 230V), SCALANCE X302-7 EEC (2x 24V, coated), SCALANCE X302-7 EEC (2x 24V), SCALANCE X304-2FE, SCALANCE X306-1LD FE, SCALANCE X307-2 EEC (230V, coated), SCALANCE X307-2 EEC (230V), SCALANCE X307-2 EEC (24V, coated), SCALANCE X307-2 EEC (24V), SCALANCE X307-2 EEC (2x 230V, coated), SCALANCE X307-2 EEC (2x 230V), SCALANCE X307-2 EEC (2x 24V, coated), SCALANCE X307-2 EEC (2x 24V), SCALANCE X307-3, SCALANCE X307-3, SCALANCE X307-3LD, SCALANCE X307-3LD, SCALANCE X308-2, SCALANCE X308-2, SCALANCE X308-2LD, SCALANCE X308-2LD, SCALANCE X308-2LH, SCALANCE X308-2LH, SCALANCE X308-2LH+, SCALANCE X308-2LH+, SCALANCE X308-2M, SCALANCE X308-2M, SCALANCE X308-2M PoE, SCALANCE X308-2M PoE, SCALANCE X308-2M TS, SCALANCE X308-2M TS, SCALANCE X310, SCALANCE X310, SCALANCE X310FE, SCALANCE X310FE, SCALANCE X320-1 FE, SCALANCE X320-1-2LD FE, SCALANCE X408-2, SCALANCE XF201-3P IRT, SCALANCE XF202-2P IRT, SCALANCE XF204, SCALANCE XF204-2, SCALANCE XF204-2BA IRT, SCALANCE XF204IRT, SCALANCE XF206-1, SCALANCE XF208, SCALANCE XR324-12M (230V, ports on front), SCALANCE XR324-12M (230V, ports on front), SCALANCE XR324-12M (230V, ports on rear), SCALANCE XR324-12M (230V, ports on rear), SCALANCE XR324-12M (24V, ports on front), SCALANCE XR324-12M (24V, ports on front), SCALANCE XR324-12M (24V, ports on rear), SCALANCE XR324-12M (24V, ports on rear), SCALANCE XR324-12M TS (24V), SCALANCE XR324-12M TS (24V), SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on front), SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on front), SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on rear), SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on rear), SCALANCE XR324-4M EEC (24V, ports on front), SCALANCE XR324-4M EEC (24V, ports on front), SCALANCE XR324-4M EEC (24V, ports on rear), SCALANCE XR324-4M EEC (24V, ports on rear), SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on front), SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on front), SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on rear), SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on rear), SCALANCE XR324-4M EEC (2x 24V, ports on front), SCALANCE XR324-4M EEC (2x 24V, ports on front), SCALANCE XR324-4M EEC (2x 24V, ports on rear), SCALANCE XR324-4M EEC (2x 24V, ports on rear), SCALANCE XR324-4M PoE (230V, ports on front), SCALANCE XR324-4M PoE (230V, ports on rear), SCALANCE XR324-4M PoE (24V, ports on front), SCALANCE XR324-4M PoE (24V, ports on rear), SCALANCE XR324-4M PoE TS (24V, ports on front), SIMATIC CP 343-1 Advanced, SIMATIC CP 442-1 RNA, SIMATIC CP 443-1, SIMATIC CP 443-1, SIMATIC CP 443-1 Advanced, SIMATIC CP 443-1 RNA, SIMATIC RF180C, SIMATIC RF182C, SIPLUS NET CP 343-1 Advanced, SIPLUS NET CP 443-1, SIPLUS NET CP 443-1 Advanced, SIPLUS NET SCALANCE X308-2. The VxWorks-based Profinet TCP Stack can be forced to make very expensive calls for every incoming packet which can lead to a denial of service.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0054
EPSS Percentile 67.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (13)
siemens/scalance_x-200irt_firmware < 5.5.0
siemens/scalance_x-200irt_pro_firmware
siemens/scalance_x-300_firmware
siemens/scalance_xb-200_firmware
siemens/scalance_xc-200_firmware
siemens/scalance_xf-200_firmware
siemens/scalance_xp-200_firmware
siemens/scalance_xr-300_firmware
siemens/scalance_xr-300wg_firmware
siemens/simatic_cp_443-1_advanced_firmware
... and 3 more
Published Apr 14, 2020
Tracked Since Feb 18, 2026