8.7
CWE
770
Advisory Published
Updated

CVE-2020-28400

First published: Tue Jul 13 2021(Updated: )

Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a denial of service condition. The vulnerability can be triggered if a large amount of DCP reset packets are sent to the device.

Credit: productcert@siemens.com productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens SIMATIC PROFINET Driver Firmware<2.3
2.3
Siemens SIMATIC CM 1542-1 Firmware<3.0
3.0
Siemens SCALANCE X204-2 (incl. SIPLUS NET variant)<5.2.5
5.2.5
Siemens SCALANCE X204-2FM<5.2.5
5.2.5
Siemens SCALANCE X204-2LD (incl. SIPLUS NET variant)<5.2.5
5.2.5
Siemens SCALANCE X20204-2LD TS<5.2.5
5.2.5
Siemens SCALANCE X204-2TS<5.2.5
5.2.5
Siemens Scalance X206-1 Firmware<5.2.5
5.2.5
Siemens SCALANCE X206-1LD (incl. SIPLUS NET variant)<5.2.5
5.2.5
Siemens SCALANCE X208 (incl. SIPLUS NET variant)<5.2.5
5.2.5
Siemens SCALANCE X208 PRO<5.2.5
5.2.5
Siemens SCALANCE X212-2<5.2.5
5.2.5
Siemens SCALANCE X12-2LD<5.2.5
5.2.5
Siemens SCALANCE X-200 Firmware<5.2.5
5.2.5
Siemens Scalance X224 Firmware<5.2.5
5.2.5
Siemens DK Standard Ethernet Controller Evaluation Kit
Siemens EK-ERTEC 200 Evaluation Kit
Siemens EK-ERTEC 200P Evaluation Kit
Siemens Ruggedcom RM1224 LTE(4G) EU<6.4
6.4
Siemens Scalance M-800 Firmware<6.4
6.4
Siemens SCALANCE S615 firmware<6.4
6.4
Siemens SCALANCE W700 IEEE 802.11a/b/g/n
Siemens SCALANCE W700 IEEE 802.11ac Firmware
Siemens SCALANCE X200-4P IRT (6GK5200-4AH00-2BA3)<5.5.0
5.5.0
Siemens SCALANCE X201-3P IRT PRO<5.5.0
5.5.0
Siemens Scalance X201-3P IRT Pro Firmware<5.5.0
5.5.0
Siemens SCALANCE X202-2IRT<5.5.0
5.5.0
Siemens SCALANCE X202-2P IRT firmware<5.5.0
5.5.0
Siemens Scalance X202-2P IRT PRO Firmware<5.5.0
5.5.0
Siemens SCALANCE X204IRT<5.5.0
5.5.0
Siemens SCALANCE X204IRT PRO<5.5.0
5.5.0
Siemens SCALANCE X204-2 (incl. SIPLUS NET variant)
Siemens SCALANCE X204-2FM
Siemens SCALANCE X204-2LD (incl. SIPLUS NET variant)
Siemens SCALANCE X20204-2LD TS
Siemens SCALANCE X204-2TS
Siemens Scalance X206-1 Firmware
Siemens SCALANCE X206-1LD (incl. SIPLUS NET variant)
Siemens SCALANCE X208 (incl. SIPLUS NET variant)
Siemens SCALANCE X208 PRO
Siemens SCALANCE X212-2
Siemens SCALANCE X12-2LD
Siemens SCALANCE X-200 Firmware
Siemens Scalance X224 Firmware
Siemens SCALANCE X302-7 EEC
Siemens SCALANCE 304-2FE
All of
Siemens DK Standard Ethernet Controller Evaluation Kit Firmware
Siemens DK Standard Ethernet Controller Evaluation Kit Firmware
All of
Siemens EK-ERTEC 200 Evaluation Kit Firmware
Siemens EK-ERTEC 200 Evaluation Kit
All of
Siemens EK-ERTEC 200P PN IO Firmware<4.7
Siemens EK-ERTEC 200P PN IO Firmware
All of
Siemens Ruggedcom RM1224 LTE (4G) NAM<6.4
Siemens Ruggedcom RM1224 LTE(4G) EU
All of
Siemens Scalance M-800 Firmware<6.4
Siemens Scalance M-800 Firmware
All of
Siemens Scalance S615 Firmware<6.4
Siemens SCALANCE S615 firmware
All of
siemens scalance w700 firmware
siemens scalance w700
All of
siemens scalance w1700 firmware
siemens scalance w1700
All of
Siemens Scalance X200-4P IRT Firmware<5.5.0
Siemens SCALANCE X200-4P IRT (6GK5200-4AH00-2BA3)
All of
Siemens Scalance X201-3P IRT Pro Firmware<5.5.0
Siemens SCALANCE X201-3P IRT PRO
All of
Siemens Scalance X201-3P IRT Firmware<5.5.0
Siemens Scalance X201-3P IRT Pro Firmware
All of
Siemens SCALANCE X202-2 IRT Firmware<5.5.0
Siemens SCALANCE X202-2IRT
All of
Siemens Scalance X202-2P IRT PRO Firmware<5.5.0
Siemens Scalance X202-2P IRT PRO Firmware
All of
Siemens Scalance X-200IRT<5.5.0
Siemens SCALANCE X204IRT
All of
Siemens Scalance X204IRT PRO Firmware<5.5.0
Siemens SCALANCE X204IRT PRO
All of
Siemens Scalance X204-2<5.2.5
Siemens Scalance X204-2 Firmware
All of
Siemens Scalance X204-2FM Firmware<5.2.5
Siemens SCALANCE X204-2FM
All of
Siemens Scalance X204-2LD TS<5.2.5
Siemens SCALANCE X204-2LD TS
All of
Siemens Scalance X204-2LD TS<5.2.5
Siemens SCALANCE X204-2TS
All of
Siemens Scalance X204-2TS<5.2.5
Siemens SCALANCE X204-2TS
All of
Siemens Scalance X206-1LD<5.2.5
Siemens Scalance X206-1 Firmware
All of
Siemens Scalance X206-1LD<5.2.5
Siemens SCALANCE X206-1LD
All of
Siemens Scalance X208<5.2.5
Siemens Scalance X208
All of
Siemens Scalance X208 Pro Firmware<5.2.5
Siemens SCALANCE X208 PRO
All of
Siemens Scalance X212-2LD<5.2.5
Siemens SCALANCE X212-2
All of
siemens scalance x212-2ld firmware<5.2.5
Siemens SCALANCE X212-2LD
All of
Siemens Scalance X216 Firmware<5.2.5
Siemens SCALANCE X-200 Firmware
All of
Siemens Scalance X224 Firmware<5.2.5
Siemens Scalance X224 Firmware
All of
Siemens Scalance X302-7EEC Firmware
Siemens SCALANCE X302-7 EEC
All of
Siemens Scalance X304-2FE
Siemens SCALANCE X304-2FE (6GK5304-2BD00-2AA3)
All of
Siemens Scalance X306-1LDFe
Siemens Scalance X306-1LDFE Firmware
All of
Siemens Scalance X307-2EEC
Siemens SCALANCE X307-2EEC Firmware
All of
Siemens Scalance X307-3
Siemens SCALANCE X307-3
All of
Siemens Scalance X307-3LD Firmware
Siemens SCALANCE X307-3LD
All of
Siemens SIPLUS NET SCALANCE X308-2 firmware
Siemens Scalance X308-2M PoE
All of
Siemens Scalance X308-2LD
Siemens Scalance X308-2LD
All of
Siemens Scalance X308-2LH
Siemens Scalance X308-2LH
All of
Siemens Scalance X308-2LH+ Firmware
Siemens Scalance X308-2LH+
All of
Siemens Scalance X308-2M
Siemens Scalance X308-2M Firmware
All of
Siemens Scalance X308-2M PoE
Siemens SCALANCE X308-2M PoE Firmware
All of
Siemens Scalance X308-2M PoE
Siemens SCALANCE X308-2M TS (6GK5308-2GG00-2CA2)
All of
Siemens Scalance X310
Siemens Scalance X310
All of
Siemens Scalance X310FE
Siemens Scalance X310FE
All of
Siemens Scalance X320-1FE
Siemens SCALANCE X320-1 FE
All of
Siemens Scalance X320-3LDFE Firmware
Siemens Scalance X320-3LDFE Firmware
All of
siemens scalance xb-200 firmware<4.3
Siemens SCALANCE XB-200
All of
siemens scalance xc-200 firmware<4.3
Siemens SCALANCE XC-200
All of
Siemens Scalance XF201-3P IRT<5.5.0
Siemens SCALANCE XF201-3P IRT
All of
Siemens Scalance XF202-2P IRT<5.5.0
Siemens SCALANCE XF202-2P IRT
All of
Siemens Scalance XF204 Firmware<5.2.5
Siemens Scalance XF204
All of
Siemens SCALANCE XF204IRT firmware<5.5.0
Siemens SCALANCE XF204IRT (6GK5204-0BA00-2BF2)
All of
Siemens Scalance XF204-2 Firmware<5.2.5
Siemens SCALANCE XF204-2
All of
Siemens Scalance XF204-2BA IRT<5.5.0
Siemens SCALANCE XF204-2BA IRT
All of
Siemens Scalance XF206-1<5.2.5
Siemens SCALANCE XF206-1
All of
Siemens Scalance XF208<5.2.5
Siemens SCALANCE XF208
All of
siemens scalance xf-200ba firmware<4.3
Siemens SCALANCE XF-200BA
All of
Siemens SCALANCE XM400<6.3.1
Siemens SCALANCE XM400 firmware
All of
siemens scalance xp-200 firmware<4.3
Siemens SCALANCE XP-200
All of
Siemens Scalance XR324-4M EEC Firmware
Siemens Scalance XR324-4M EEC Firmware
All of
Siemens SCALANCE XR324-4M PoE
Siemens Scalance XR324-4M PoE Firmware
All of
Siemens Scalance XR324-4M PoE TS
Siemens Scalance XR324-4M PoE TS
All of
Siemens Scalance XR324-12M
Siemens Scalance XR324-12M Firmware
All of
Siemens Scalance XR324-12M TS
Siemens Scalance XR324-12M
All of
Siemens SCALANCE XR500<6.3.1
Siemens SCALANCE XR500 firmware
All of
siemens scalance xr-300wg firmware<4.3
Siemens SCALANCE X-300WG
All of
Siemens Simatic CFU PA Firmware
Siemens Simatic CFU PA Firmware
All of
Siemens Simatic ie/pb-link V3 Firmware
Siemens Simatic IE/PB-Link V3
All of
siemens simatic mv500 firmware<3.0
siemens simatic mv500
All of
Siemens SIMATIC CM 1542-1 Firmware
Siemens SIMATIC CM 1542-1 Firmware
All of
Siemens Simatic CP 1616 Firmware<=2.7
Siemens Simatic Net CP 1616
All of
Siemens Simatic Net CP 1604 Firmware<=2.7
Siemens Simatic CP 1604
All of
Siemens Simatic Net CP 1626 Firmware
Siemens SIMATIC CP 1626
Siemens SIMATIC DK-16xx PN IO<=2.7
All of
Siemens Simatic Power Line Booster PLB
Siemens Simatic Power Line Booster PLB Firmware
All of
Siemens SIMATIC PROFINET Driver Firmware<2.3
Siemens SIMATIC PROFINET Driver Firmware
All of
Siemens SIMATIC S7-1200 CPU<4.5
Siemens SIMATIC S7-1200 CPU
All of
Siemens Simocode Pro V EIP Firmware<1.1.3
Siemens Simocode Pro V Ethernet/IP
All of
Siemens SIMOCODE Pro V PROFINET Firmware<2.1.3
Siemens SIMOCODE Pro V PROFINET
All of
siemens softnet-ie pnio firmware
Siemens Softnet IE Pnio
Siemens DK Standard Ethernet Controller Evaluation Kit Firmware
Siemens DK Standard Ethernet Controller Evaluation Kit Firmware
Siemens EK-ERTEC 200 Evaluation Kit Firmware
Siemens EK-ERTEC 200 Evaluation Kit
Siemens EK-ERTEC 200P PN IO Firmware<4.7
Siemens EK-ERTEC 200P PN IO Firmware
Siemens Ruggedcom RM1224 LTE (4G) NAM<6.4
Siemens Ruggedcom RM1224 LTE(4G) EU
Siemens Scalance M-800 Firmware<6.4
Siemens Scalance M-800 Firmware
Siemens Scalance S615 Firmware<6.4
Siemens SCALANCE S615 firmware
siemens scalance w700 firmware
siemens scalance w700
siemens scalance w1700 firmware
siemens scalance w1700
Siemens Scalance X200-4P IRT Firmware<5.5.0
Siemens SCALANCE X200-4P IRT (6GK5200-4AH00-2BA3)
Siemens Scalance X201-3P IRT Pro Firmware<5.5.0
Siemens SCALANCE X201-3P IRT PRO
Siemens Scalance X201-3P IRT Firmware<5.5.0
Siemens Scalance X201-3P IRT Pro Firmware
Siemens SCALANCE X202-2 IRT Firmware<5.5.0
Siemens SCALANCE X202-2IRT
Siemens Scalance X202-2P IRT PRO Firmware<5.5.0
Siemens Scalance X202-2P IRT PRO Firmware
Siemens Scalance X-200IRT<5.5.0
Siemens SCALANCE X204IRT
Siemens Scalance X204IRT PRO Firmware<5.5.0
Siemens SCALANCE X204IRT PRO
Siemens Scalance X204-2<5.2.5
Siemens Scalance X204-2 Firmware
Siemens Scalance X204-2FM Firmware<5.2.5
Siemens SCALANCE X204-2FM
Siemens Scalance X204-2LD TS<5.2.5
Siemens SCALANCE X204-2LD TS
Siemens Scalance X204-2LD TS<5.2.5
Siemens SCALANCE X204-2TS
Siemens Scalance X204-2TS<5.2.5
Siemens SCALANCE X204-2TS
Siemens Scalance X206-1LD<5.2.5
Siemens Scalance X206-1 Firmware
Siemens Scalance X206-1LD<5.2.5
Siemens SCALANCE X206-1LD
Siemens Scalance X208<5.2.5
Siemens Scalance X208
Siemens Scalance X208 Pro Firmware<5.2.5
Siemens SCALANCE X208 PRO
Siemens Scalance X212-2LD<5.2.5
Siemens SCALANCE X212-2
siemens scalance x212-2ld firmware<5.2.5
Siemens SCALANCE X212-2LD
Siemens Scalance X216 Firmware<5.2.5
Siemens SCALANCE X-200 Firmware
Siemens Scalance X224 Firmware<5.2.5
Siemens Scalance X224 Firmware
Siemens Scalance X302-7EEC Firmware
Siemens SCALANCE X302-7 EEC
Siemens Scalance X304-2FE
Siemens SCALANCE X304-2FE (6GK5304-2BD00-2AA3)
Siemens Scalance X306-1LDFe
Siemens Scalance X306-1LDFE Firmware
Siemens Scalance X307-2EEC
Siemens SCALANCE X307-2EEC Firmware
Siemens Scalance X307-3
Siemens SCALANCE X307-3
Siemens Scalance X307-3LD Firmware
Siemens SCALANCE X307-3LD
Siemens SIPLUS NET SCALANCE X308-2 firmware
Siemens Scalance X308-2M PoE
Siemens Scalance X308-2LD
Siemens Scalance X308-2LD
Siemens Scalance X308-2LH
Siemens Scalance X308-2LH
Siemens Scalance X308-2LH+ Firmware
Siemens Scalance X308-2LH+
Siemens Scalance X308-2M
Siemens Scalance X308-2M Firmware
Siemens Scalance X308-2M PoE
Siemens SCALANCE X308-2M PoE Firmware
Siemens Scalance X308-2M PoE
Siemens SCALANCE X308-2M TS (6GK5308-2GG00-2CA2)
Siemens Scalance X310
Siemens Scalance X310
Siemens Scalance X310FE
Siemens Scalance X310FE
Siemens Scalance X320-1FE
Siemens SCALANCE X320-1 FE
Siemens Scalance X320-3LDFE Firmware
Siemens Scalance X320-3LDFE Firmware
siemens scalance xb-200 firmware<4.3
Siemens SCALANCE XB-200
siemens scalance xc-200 firmware<4.3
Siemens SCALANCE XC-200
Siemens Scalance XF201-3P IRT<5.5.0
Siemens SCALANCE XF201-3P IRT
Siemens Scalance XF202-2P IRT<5.5.0
Siemens SCALANCE XF202-2P IRT
Siemens Scalance XF204 Firmware<5.2.5
Siemens Scalance XF204
Siemens SCALANCE XF204IRT firmware<5.5.0
Siemens SCALANCE XF204IRT (6GK5204-0BA00-2BF2)
Siemens Scalance XF204-2 Firmware<5.2.5
Siemens SCALANCE XF204-2
Siemens Scalance XF204-2BA IRT<5.5.0
Siemens SCALANCE XF204-2BA IRT
Siemens Scalance XF206-1<5.2.5
Siemens SCALANCE XF206-1
Siemens Scalance XF208<5.2.5
Siemens SCALANCE XF208
siemens scalance xf-200ba firmware<4.3
Siemens SCALANCE XF-200BA
Siemens SCALANCE XM400<6.3.1
Siemens SCALANCE XM400 firmware
siemens scalance xp-200 firmware<4.3
Siemens SCALANCE XP-200
Siemens Scalance XR324-4M EEC Firmware
Siemens Scalance XR324-4M EEC Firmware
Siemens SCALANCE XR324-4M PoE
Siemens Scalance XR324-4M PoE Firmware
Siemens Scalance XR324-4M PoE TS
Siemens Scalance XR324-4M PoE TS
Siemens Scalance XR324-12M
Siemens Scalance XR324-12M Firmware
Siemens Scalance XR324-12M TS
Siemens Scalance XR324-12M
Siemens SCALANCE XR500<6.3.1
Siemens SCALANCE XR500 firmware
siemens scalance xr-300wg firmware<4.3
Siemens SCALANCE X-300WG
Siemens Simatic CFU PA Firmware
Siemens Simatic CFU PA Firmware
Siemens Simatic ie/pb-link V3 Firmware
Siemens Simatic IE/PB-Link V3
siemens simatic mv500 firmware<3.0
siemens simatic mv500
Siemens SIMATIC CM 1542-1 Firmware
Siemens SIMATIC CM 1542-1 Firmware
Siemens Simatic CP 1616 Firmware<=2.7
Siemens Simatic Net CP 1616
Siemens Simatic Net CP 1604 Firmware<=2.7
Siemens Simatic CP 1604
Siemens Simatic Net CP 1626 Firmware
Siemens SIMATIC CP 1626
Siemens Simatic Power Line Booster PLB
Siemens Simatic Power Line Booster PLB Firmware
Siemens SIMATIC PROFINET Driver Firmware<2.3
Siemens SIMATIC PROFINET Driver Firmware
Siemens SIMATIC S7-1200 CPU<4.5
Siemens SIMATIC S7-1200 CPU
Siemens Simocode Pro V EIP Firmware<1.1.3
Siemens Simocode Pro V Ethernet/IP
Siemens SIMOCODE Pro V PROFINET Firmware<2.1.3
Siemens SIMOCODE Pro V PROFINET
siemens softnet-ie pnio firmware
Siemens Softnet IE Pnio

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-28400?

    CVE-2020-28400 has a severity of medium, as it allows unauthenticated attackers to trigger a denial of service condition.

  • How do I fix CVE-2020-28400?

    To fix CVE-2020-28400, update the affected devices to the latest firmware versions as specified by Siemens.

  • Which products are affected by CVE-2020-28400?

    CVE-2020-28400 affects various Siemens products including SIMATIC PROFINET Driver Firmware versions up to 2.3 and several SCALANCE device versions below 5.2.5.

  • What kind of attack can exploit CVE-2020-28400?

    CVE-2020-28400 can be exploited by sending a large volume of DCP reset packets to interrupt service on the affected devices.

  • Is there a workaround for CVE-2020-28400?

    Currently, there is no specific workaround for CVE-2020-28400; updating to the fixed firmware is the recommended course of action.

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