CVE-2020-28400Network attack vector

Service interruption via DCP reset-packet flood

Published Jul 13, 2021 · Updated Apr 14, 2026

Resource exhaustion in Siemens PROFINET devices allows remote attackers to interrupt service by flooding DCP reset packets. DCP reset-packet handling processes a large packet volume without adequate resource limiting or throttling. No authentication or user interaction is required, and Siemens does not disclose whether the interruption causes a hang, reboot, or another state.

CVSS severity7.5
High
EPSS probability1.86%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in Siemens PROFINET devices allows remote attackers to interrupt service by flooding DCP reset packets. DCP reset-packet handling processes a large packet volume without adequate resource limiting or throttling. No authentication or user interaction is required, and Siemens does not disclose whether the interruption causes a hang, reboot, or another state.

The record

CVE
CVE-2020-28400
Published
Jul 13, 2021
Updated
Apr 14, 2026
Vendor
Siemens
Product
SCALANCE XR328-4C WG (24xFE, 4xGE, DC24V)
Classifications
CWE-770, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 13, 2021CVE publishedPublication date reported by the CVE source.
  2. Apr 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <V4.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Siemens · SCALANCE XR328-4C WG (24xFE, 4xGE, DC24V)version=0 <V4.3
Siemens · SCALANCE X307-2 EEC (2x 230V)version=0 <V4.1.4
Siemens · SIMATIC S7-1200 CPU 1215FC DC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE X212-2LDversion=0 <V5.2.5
Siemens · SCALANCE X204IRT PROversion=0 <V5.5.0
Siemens · SCALANCE X308-2Mversion=0 <V4.1.4
Siemens · SCALANCE XR324-4M PoE (230V, ports on front)version=0 <V4.1.4
Siemens · SCALANCE XR526-8C, 2x230Vversion=0 <V6.3.1
Siemens · SCALANCE XC208G (EIP def.)version=0 <V4.3
Siemens · SCALANCE XB213-3LD (SC, E/IP)version=0 <V4.3
Siemens · SCALANCE X202-2P IRTversion=0 <v5.5.0; version=0 <V5.5.0
Siemens · SCALANCE X204-2FMversion=0 <v5.25; version=0 <V5.2.5
Siemens · SCALANCE XC208G PoEversion=0 <V4.3
Siemens · SCALANCE XR524-8C, 1x230Vversion=0 <V6.3.1
Siemens · SCALANCE XR324-12M (24V, ports on front)version=0 <V4.1.4
Siemens · SIMATIC MV550 Hversion=0 <V3.0
Siemens · SCALANCE XC208Gversion=0 <V4.3
Siemens · SCALANCE XR328-4C WG (24xFE, 4xGE, AC230V)version=0 <V4.3
Siemens · SCALANCE XR528-6M (L3 int.)version=0 <V6.3.1
Siemens · Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controllerversion=0 <*
Siemens · SIMATIC MV540 Sversion=0 <V3.0
Siemens · SIMATIC CP 1616version=All Versions >= V2.7
Siemens · SCALANCE XR526-8C, 1x230V (L3 int.)version=0 <V6.3.1
Siemens · SCALANCE W786-2 RJ45version=0 <V6.4.0
Siemens · SCALANCE MUM856-1 (RoW)version=0 <V6.4
Siemens · SIPLUS S7-1200 CPU 1215 AC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE XR324WGversion=0 <V4.3
Siemens · SCALANCE X307-3LDversion=0 <V4.1.4
Siemens · SCALANCE MUM856-1 (B1)version=0 <V6.4
Siemens · SCALANCE X302-7 EEC (24V)version=0 <V4.1.4
Siemens · SCALANCE XF204-2version=0 <V5.2.5
Siemens · SCALANCE W786-2IA RJ45version=0 <V6.4.0
Siemens · SCALANCE XR324-4M PoE (24V, ports on rear)version=0 <V4.1.4
Siemens · SCALANCE XC206-2 (ST/BFOC)version=0 <V4.3
Siemens · SIPLUS S7-1200 CPU 1214C AC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE S615version=0 <v6.4
Siemens · SIMATIC S7-1200 CPU 1212C AC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE XR324-4M EEC (2x 24V, ports on front)version=0 <V4.1.4
Siemens · SCALANCE X320-1 FEversion=0 <V4.1.4
Siemens · SCALANCE XC206-2SFP G (EIP DEF.)version=0 <V4.3
Siemens · SCALANCE X204-2TSversion=0 <v5.25; version=0 <V5.2.5
Siemens · SIPLUS S7-1200 CPU 1215C DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE W721-1 RJ45version=0 <V6.4.0
Siemens · SCALANCE XP208EECversion=0 <V4.3
Siemens · SIPLUS S7-1200 CPU 1215FC DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE W778-1 M12 EECversion=0 <V6.4.0
Siemens · SCALANCE X302-7 EEC (2x 230V, coated)version=0 <V4.1.4
Siemens · SCALANCE XC206-2SFP Gversion=0 <V4.3
Siemens · SCALANCE X204-2version=0 <v5.25; version=0 <V5.2.5
Siemens · SCALANCE XM416-4Cversion=0 <V6.3.1
Siemens · SCALANCE XR324-12M (230V, ports on rear)version=0 <V4.1.4
Siemens · SIMATIC S7-1200 CPU 1217C DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE W761-1 RJ45version=0 <V6.4.0
Siemens · SCALANCE MUM856-1 (EU)version=0 <V6.4
Siemens · SIPLUS NET SCALANCE XC208version=0 <V4.3
Siemens · SCALANCE X310FEversion=0 <V4.1.4
Siemens · SCALANCE X307-2 EEC (2x 24V)version=0 <V4.1.4
Siemens · SCALANCE XR324-4M EEC (24V, ports on front)version=0 <V4.1.4
Siemens · SCALANCE XC216-4C G (EIP Def.)version=0 <V4.3
Siemens · SCALANCE XR324-12M (24V, ports on rear)version=0 <V4.1.4
Siemens · SCALANCE XB205-3 (ST, PN)version=0 <V4.3
Siemens · SCALANCE W722-1 RJ45version=0 <V6.4.0
Siemens · SIPLUS S7-1200 CPU 1212C DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE XP216 (Ethernet/IP)version=0 <V4.3
Siemens · SCALANCE W748-1 RJ45version=0 <V6.4.0
Siemens · SCALANCE X206-1version=0 <V5.2.5
Siemens · SIMOCODE pro V EIP 24V DCversion=0 <V1.1.3
Siemens · SCALANCE M812-1 ADSL-Router (Annex B)version=0; version=0 <6.4
Siemens · SCALANCE XC224-4C G (EIP Def.)version=0 <V4.3
Siemens · SCALANCE XR328-4C WG (28xGE, DC 24V)version=0 <V4.3
Siemens · SCALANCE X204-2LDversion=0 <v5.25; version=0 <V5.2.5
Siemens · SIMATIC PROFINET Driverversion=0 <V2.3
Siemens · SCALANCE XR324-4M PoE (24V, ports on front)version=0 <V4.1.4
Siemens · SIPLUS S7-1200 CPU 1212 AC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE XF204IRTversion=0 <V5.5.0
Siemens · SCALANCE X302-7 EEC (2x 24V)version=0 <V4.1.4
Siemens · SCALANCE X206-1LDversion=0 <V5.2.5
Siemens · SIMATIC S7-1200 CPU 1211C DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE W788-1 RJ45version=0 <V6.4.0
Siemens · SIMATIC S7-1200 CPU 1212FC DC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on front)version=0 <V4.1.4
Siemens · SCALANCE X202-2P IRT PROversion=0 <v5.5.0; version=0 <V5.5.0
Siemens · SCALANCE XB213-3LD (SC, PN)version=0 <V4.3
Siemens · RUGGEDCOM RM1224 LTE(4G) NAMversion=0 <V6.4
Siemens · RUGGEDCOM RM1224 LTE(4G) EUversion=0 <V6.4
Siemens · SCALANCE W774-1 M12 EECversion=0 <V6.4.0
Siemens · SCALANCE X307-2 EEC (24V, coated)version=0 <V4.1.4
Siemens · SIMATIC CP 1626version=0 <*
Siemens · SCALANCE XC208G EECversion=0 <V4.3
Siemens · SCALANCE X204-2LD TSversion=0 <v5.25; version=0 <V5.2.5
Siemens · SCALANCE W-700 IEEE 802.11n familyversion=0 <*
Siemens · SCALANCE X310version=0 <V4.1.4
Siemens · SCALANCE XR526-8C, 2x230V (L3 int.)version=0 <V6.3.1
Siemens · SCALANCE XF204-2BAversion=0 <V4.3
Siemens · SIMATIC CFU PAversion=0 <V2.0.0
Siemens · SCALANCE XP216version=0 <V4.3
Siemens · SCALANCE M874-3version=0 <v6.4; version=0 <V6.4
Siemens · SCALANCE MUM856-1 (A1)version=0 <V6.4
Siemens · SCALANCE W1748-1 M12version=0 <v3.0.0; version=0 <V3.0.0
Siemens · SCALANCE XC216-4Cversion=0 <V4.3
Siemens · SCALANCE X204IRTversion=0 <V5.5.0
Siemens · SCALANCE XR524-8C, 2x230Vversion=0 <V6.3.1
Siemens · SCALANCE X202-2IRTversion=0 <V5.5.0
Siemens · SCALANCE X216version=0 <V5.2.5
Siemens · SCALANCE X302-7 EEC (230V)version=0 <V4.1.4
Siemens · SCALANCE XC206-2SFPversion=0 <V4.3
Siemens · SCALANCE XF202-2P IRTversion=0 <V5.5.0
Siemens · SCALANCE M812-1 ADSL-Router (Annex A)version=0 <v6.4
Siemens · SCALANCE XF204 DNAversion=0 <V4.3
Siemens · SCALANCE XC216version=0 <V4.3
Siemens · SCALANCE MUM853-1 (B1)version=0 <V6.4
Siemens · SCALANCE X208PROversion=0 <V5.2.5
Siemens · SCALANCE XC206-2SFP G EECversion=0 <V4.3
Siemens · SCALANCE XB205-3 (ST, E/IP)version=0 <V4.3
Siemens · SCALANCE X308-2version=0 <V4.1.4
Siemens · SCALANCE MUM856-1 (CN)version=0 <V6.4
Siemens · SCALANCE W1788-2IA M12version=0 <v3.0.0; version=0 <V3.0.0
Siemens · SCALANCE XR324-12M TS (24V)version=0 <V4.1.4
Siemens · SCALANCE XC216EECversion=0 <V4.3
Siemens · SCALANCE XR552-12M (2HR2)version=0 <V6.3.1
Siemens · SCALANCE X302-7 EEC (2x 24V, coated)version=0 <V4.1.4
Siemens · SCALANCE XR324-4M PoE (230V, ports on rear)version=0 <V4.1.4
Siemens · SIPLUS S7-1200 CPU 1214C DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE X224version=0 <V5.2.5
Siemens · SIMATIC CM 1542-1version=0 <V3.0
Siemens · SIMATIC NET DK-16xx PN IOversion=All Versions >= V2.7
Siemens · SIPLUS S7-1200 CPU 1215C AC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE XC216-4C Gversion=0 <V4.3
Siemens · SCALANCE X302-7 EEC (230V, coated)version=0 <V4.1.4
Siemens · SIMOCODE pro V EIP 110-240V AC/DCversion=0 <V1.1.3
Siemens · SCALANCE W778-1 M12 EEC (USA)version=0 <V6.4.0
Siemens · SCALANCE W734-1 RJ45version=0 <V6.4.0
Siemens · SIMATIC MV560 Uversion=0 <V3.0
Siemens · SIMATIC MV560 Xversion=0 <V3.0
Siemens · SIPLUS S7-1200 CPU 1214C DC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE XB213-3 (SC, PN)version=0 <V4.3
Siemens · SCALANCE XB205-3LD (SC, E/IP)version=0 <V4.3
Siemens · SCALANCE M812-1 ADSL Routerversion=0 <V6.4
Siemens · SIPLUS NET SCALANCE XC206-2version=0 <V4.3
Siemens · SCALANCE XC216-3G PoEversion=0 <V4.3
Siemens · SIPLUS S7-1200 CPU 1214 DC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE S615 EEC LAN Routerversion=0 <V6.4
Siemens · SCALANCE X208version=0 <V5.2.5
Siemens · SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on rear)version=0 <V4.1.4
Siemens · SCALANCE XR324-4M EEC (24V, ports on rear)version=0 <V4.1.4
Siemens · SCALANCE XC206-2 (SC)version=0 <V4.3
Siemens · SCALANCE X201-3P IRT PROversion=0 <v5.5.0; version=0 <V5.5.0
Siemens · SIPLUS S7-1200 CPU 1215 DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE XC208EECversion=0 <V4.3
Siemens · SCALANCE X302-7 EEC (24V, coated)version=0 <V4.1.4
Siemens · SCALANCE XP208version=0 <V4.3
Siemens · SIMATIC S7-1200 CPU 1211C AC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE X307-3version=0 <V4.1.4
Siemens · SCALANCE M826-2 SHDSL-Routerversion=0 <v6.4; version=0 <V6.4
Siemens · SCALANCE M816-1 ADSL Routerversion=0 <V6.4
Siemens · SCALANCE W788-2 M12version=0 <V6.4.0
Siemens · SCALANCE X307-2 EEC (24V)version=0 <V4.1.4
Siemens · SIMATIC S7-1200 CPU 1214C AC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE XR524-8C, 1x230V (L3 int.)version=0 <V6.3.1
Siemens · SCALANCE M876-3 (ROK)version=0 <6.4; version=0 <V6.4
Siemens · SIPLUS S7-1200 CPU 1214C DC/DC/DC RAILversion=0 <V4.5.0
Siemens · SCALANCE XR528-6M (2HR2)version=0 <V6.3.1
Siemens · SCALANCE W788-2 M12 EECversion=0 <V6.4.0
Siemens · SCALANCE X308-2LH+version=0 <V4.1.4
Siemens · SIMATIC Power Line Booster PLB, Base Moduleversion=0 <*
Siemens · SCALANCE XP208 (Ethernet/IP)version=0 <V4.3
Siemens · SCALANCE XR528-6Mversion=0 <V6.3.1
Siemens · SCALANCE XM408-4C (L3 int.)version=0 <V6.3.1
Siemens · SCALANCE X308-2M PoEversion=0 <V4.1.4
Siemens · SCALANCE X307-2 EEC (230V, coated)version=0 <V4.1.4
Siemens · SCALANCE XM408-8C (L3 int.)version=0 <V6.3.1
Siemens · SIPLUS S7-1200 CPU 1214FC DC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE M876-3version=0 <V6.4
Siemens · SCALANCE XF201-3P IRTversion=0 <V5.5.0
Siemens · SCALANCE XR526-8C, 24V (L3 int.)version=0 <V6.3.1
Siemens · SIMATIC S7-1200 CPU 1212FC DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE XC206-2G PoE (54 V DC)version=0 <V4.3
Siemens · SIPLUS NET SCALANCE XC216-4Cversion=0 <V4.3
Siemens · SCALANCE XC216-4C G EECversion=0 <V4.3
Siemens · SCALANCE XB205-3 (SC, PN)version=0 <V4.3
Siemens · SCALANCE XR324-4M EEC (2x 24V, ports on rear)version=0 <V4.1.4
Siemens · SIMATIC S7-1200 CPU V4 familyversion=0 <V4.5.0
Siemens · SCALANCE M816-1 ADSL-Router (Annex A)version=0 <v6.4
Siemens · SIMATIC MV550 Sversion=0 <V3.0
Siemens · SCALANCE XC224-4C Gversion=0 <V4.3
Siemens · SCALANCE XB216 (PN)version=0 <V4.3
Siemens · SCALANCE XR526-8C, 1x230Vversion=0 <V6.3.1
Siemens · SCALANCE X302-7 EEC (2x 230V)version=0 <V4.1.4
Siemens · SCALANCE XP208PoE EECversion=0 <V4.3
Siemens · SIMATIC S7-1200 CPU 1212C DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE XF208version=0 <V5.2.5
Siemens · SCALANCE XF204-2BA IRTversion=0 <V5.5.0
Siemens · Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200Pversion=0 <v4.7; version=0 <V4.7
Siemens · SCALANCE XR524-8C, 24Vversion=0 <V6.3.1
Siemens · SCALANCE MUM853-1 (A1)version=0 <V6.4
Siemens · SCALANCE XR552-12M (2HR2, L3 int.)version=0 <V6.3.1
Siemens · SCALANCE XB208 (E/IP)version=0 <V4.3
Siemens · SIPLUS S7-1200 CPU 1214 AC/DC/RLYversion=0 <V4.5.0
Siemens · SIPLUS S7-1200 CPU 1215 DC/DC/RLYversion=0 <V4.5.0
Siemens · RUGGEDCOM RM1224version=0 <v6.4
Siemens · SIPLUS S7-1200 CPU 1212C AC/DC/RLYversion=0 <V4.5.0
Siemens · SIPLUS S7-1200 CPU 1212 DC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE M804PBversion=0 <v6.4; version=0 <V6.4
Siemens · SIMATIC S7-1200 CPU 1211C DC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE XM416-4C (L3 int.)version=0 <V6.3.1
Siemens · SCALANCE XR328-4C WG (28xGE, AC 230V)version=0 <V4.3
Siemens · SCALANCE XF204version=0 <V4.3; version=0 <V5.2.5
Siemens · SOFTNET-IE PNIOversion=0 <*
Siemens · SIMATIC S7-1200 CPU 1215C AC/DC/Rlyversion=0 <V4.5.0
Siemens · SIMATIC IE/PB-LINKversion=V3 <*
Siemens · SCALANCE XR326-2C PoE WGversion=0 <V4.3
Siemens · SCALANCE W774-1 RJ45 (USA)version=0 <V6.4.0
Siemens · SCALANCE XC208version=0 <V4.3
Siemens · SCALANCE XC224version=0 <V4.3
Siemens · SCALANCE XR526-8C, 24Vversion=0 <V6.3.1
Siemens · SIPLUS S7-1200 CPU 1214FC DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE XC224-4C G EECversion=0 <V4.3
Siemens · SCALANCE X308-2M TSversion=0 <V4.1.4
Siemens · SIMATIC S7-1200 CPU 1215FC DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE W774-1 RJ45version=0 <V6.4.0
Siemens · SCALANCE X307-2 EEC (230V)version=0 <V4.1.4
Siemens · SIMATIC S7-1200 CPU 1215C DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE W1788-2 M12version=0 <v3.0.0; version=0 <V3.0.0
Siemens · SCALANCE W786-2 SFPversion=0 <V6.4.0
Siemens · SCALANCE XR524-8C, 2x230V (L3 int.)version=0 <V6.3.1
Siemens · SCALANCE M876-4version=0 <V6.4
Siemens · SCALANCE W748-1 M12version=0 <V6.4.0
Siemens · SIPLUS SIMOCODE pro V basic unit 2version=0 <V1.1.3
Siemens · SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on rear)version=0 <V4.1.4
Siemens · SCALANCE XP216POE EECversion=0 <V4.3
Siemens · SCALANCE X307-2 EEC (2x 230V, coated)version=0 <V4.1.4
Siemens · SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on front)version=0 <V4.1.4
Siemens · SCALANCE XF204-2BA DNAversion=0 <V4.3
Siemens · SIMATIC S7-1200 CPU 1212C DC/DC/RLYversion=0 <V4.5.0
Siemens · SCALANCE X306-1LD FEversion=0 <V4.1.4
Siemens · SCALANCE XC206-2SFP EECversion=0 <V4.3
Siemens · SCALANCE XR324-12M (230V, ports on front)version=0 <V4.1.4
Siemens · SIMATIC S7-1200 CPU 1215C DC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE XP216EECversion=0 <V4.3
Siemens · SCALANCE W738-1 M12version=0 <V6.4.0
Siemens · SCALANCE XR328-4C WG (24XFE, 4XGE, 24V)version=0 <V4.3
Siemens · SIMATIC CP 1604version=All Versions >= V2.7
Siemens · SCALANCE M876-4 (NAM)version=0 <v6.4; version=0 <V6.4
Siemens · SCALANCE XM408-8Cversion=0 <V6.3.1
Siemens · SCALANCE MUM853-1 (EU)version=0 <V6.4
Siemens · SCALANCE W788-1 M12version=0 <V6.4.0
Siemens · SCALANCE M876-3 (EVDO)version=0 <v6.4
Siemens · SCALANCE X304-2FEversion=0 <V4.1.4
Siemens · SCALANCE XC206-2G PoEversion=0 <V4.3
Siemens · SCALANCE W786-1 RJ45version=0 <V6.4.0
Siemens · SCALANCE XB208 (PN)version=0 <V4.3
Siemens · SCALANCE X308-2LDversion=0 <V4.1.4
Siemens · SIPLUS S7-1200 CPU 1212C DC/DC/DC RAILversion=0 <V4.5.0
Siemens · SCALANCE XR528-6M (2HR2, L3 int.)version=0 <V6.3.1
Siemens · SCALANCE W734-1 RJ45 (USA)version=0 <V6.4.0
Siemens · SIMATIC S7-1200 CPU 1214C DC/DC/DCversion=0 <V4.5.0
Siemens · SIMATIC S7-1200 CPU 1214C DC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE XB213-3 (SC, E/IP)version=0 <V4.3
Siemens · SIMATIC S7-1200 CPU 1214FC DC/DC/DCversion=0 <V4.5.0
Siemens · SCALANCE XB216 (E/IP)version=0 <V4.3
Siemens · SCALANCE XC208G PoE (54 V DC)version=0 <V4.3
Siemens · SCALANCE X307-2 EEC (2x 24V, coated)version=0 <V4.1.4
Siemens · SIMOCODE pro V PN 24V DCversion=0 <V2.1.3
Siemens · SCALANCE W1788-2 EEC M12version=0 <v3.0.0; version=0 <V3.0.0
Siemens · SCALANCE XB205-3LD (SC, PN)version=0 <V4.3
Siemens · SCALANCE XM408-4Cversion=0 <V6.3.1
Siemens · SIPLUS NET SCALANCE XC206-2SFPversion=0 <V4.3
Siemens · SCALANCE X201-3P IRTversion=0 <v5.5.0; version=0 <V5.5.0
Siemens · SIMATIC CFU DIQversion=0 <V2.0.0
Siemens · SCALANCE M816-1 ADSL-Router (Annex B)version=0 <v6.4
Siemens · SCALANCE X320-1-2LD FEversion=0 <V4.1.4
Siemens · SCALANCE X408-2version=0 <V4.1.4
Siemens · SCALANCE XF206-1version=0 <V5.2.5
Siemens · SCALANCE XR524-8C, 24V (L3 int.)version=0 <V6.3.1
Siemens · SIMATIC S7-1200 CPU 1214FC DC/DC/Rlyversion=0 <V4.5.0
Siemens · SCALANCE XR552-12Mversion=0 <V6.3.1
Siemens · SCALANCE W1788-1 M12version=0 <v3.0.0; version=0 <V3.0.0
Siemens · SCALANCE XB213-3 (ST, PN)version=0 <V4.3
Siemens · SIMATIC MV540 Hversion=0 <V3.0
Siemens · SCALANCE XR324-4M PoE TS (24V, ports on front)version=0 <V4.1.4
Siemens · Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200version=0 <*
Siemens · SCALANCE S615 LAN-Routerversion=0 <V6.4
Siemens · SCALANCE W788-2 RJ45version=0 <V6.4.0
Siemens · SIMOCODE pro V PN 110-240V AC/DCversion=0 <V2.1.3
Siemens · SCALANCE X200-4P IRTversion=0 <v5.5.0; version=0 <V5.5.0
Siemens · SCALANCE M876-4 (EU)version=0 <6.4; version=0 <V6.4
Siemens · SCALANCE XB213-3 (ST, E/IP)version=0 <V4.3
Siemens · SCALANCE M874-3 3G-Router (CN)version=0 <V6.4
Siemens · SCALANCE XC216-3G PoE (54 V DC)version=0 <V4.3
Siemens · SCALANCE X212-2version=0 <V5.2.5
Siemens · SCALANCE XC206-2G PoE EEC (54 V DC)version=0 <V4.3
Siemens · SIPLUS NET SCALANCE X308-2version=0 <V4.1.4
Siemens · SCALANCE W778-1 M12version=0 <V6.4.0
Siemens · SCALANCE M874-2version=0 <v6.4; version=0 <V6.4

Published CVSS scores

8.7Siemens AGCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
7.5Siemens AGCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.0NVDAV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

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