Multiple vulnerabilities in Siemens Industrial Products

1) Input validation error

EUVDB-ID: #VU70373

Risk: Medium

CVSSv4.0: 6.6 [CVSS: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:U/U:Green]

CVE-ID: CVE-2021-40365

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC ET 200SP Open Controller CPU 1515SP PC2: All versions

SIMATIC S7-1500: All versions

TIM 1531 IRC: All versions

SIPLUS TIM 1531 IRC: All versions

SIMATIC Drive Controller: before 3.0.1

SIMATIC S7-1200 CPU family: before 4.6.0

SIMATIC S7-1500 CPU: before 3.0.1

SIMATIC S7-PLCSIM Advanced: before 5.0

CPE2.3

• cpe:2.3:a:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1500:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:tim_1531_irc:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:siplus_tim_1531_irc:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_drive_controller:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1200_cpu_family:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1500_cpu:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:*:*:*:*:*:*:*:*

External links

https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU70374

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-44693

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote administrator can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC ET 200SP Open Controller CPU 1515SP PC2: All versions

SIMATIC S7-1500: All versions

TIM 1531 IRC: All versions

SIPLUS TIM 1531 IRC: All versions

SIMATIC Drive Controller: before 3.0.1

SIMATIC S7-1200 CPU family: before 4.6.0

SIMATIC S7-1500 CPU: before 3.0.1

SIMATIC S7-PLCSIM Advanced: before 5.0

CPE2.3

• cpe:2.3:a:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1500:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:tim_1531_irc:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:siplus_tim_1531_irc:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_drive_controller:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1200_cpu_family:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1500_cpu:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:*:*:*:*:*:*:*:*

External links

https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Input validation error

EUVDB-ID: #VU70375

Risk: Low

CVSSv4.0: 4.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-44694

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote administrator can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC ET 200SP Open Controller CPU 1515SP PC2: All versions

SIMATIC S7-1500: All versions

TIM 1531 IRC: All versions

SIPLUS TIM 1531 IRC: All versions

SIMATIC Drive Controller: before 3.0.1

SIMATIC S7-1200 CPU family: before 4.6.0

SIMATIC S7-1500 CPU: before 3.0.1

SIMATIC S7-PLCSIM Advanced: before 5.0

CPE2.3

• cpe:2.3:a:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1500:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:tim_1531_irc:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:siplus_tim_1531_irc:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_drive_controller:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1200_cpu_family:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1500_cpu:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:*:*:*:*:*:*:*:*

External links

https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Input validation error

EUVDB-ID: #VU70376

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-44695

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote administrator can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC ET 200SP Open Controller CPU 1515SP PC2: All versions

SIMATIC S7-1500: All versions

TIM 1531 IRC: All versions

SIPLUS TIM 1531 IRC: All versions

SIMATIC Drive Controller: before 3.0.1

SIMATIC S7-1200 CPU family: before 4.6.0

SIMATIC S7-1500 CPU: before 3.0.1

SIMATIC S7-PLCSIM Advanced: before 5.0

CPE2.3

• cpe:2.3:a:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1500:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:tim_1531_irc:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:siplus_tim_1531_irc:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_drive_controller:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1200_cpu_family:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_s7-1500_cpu:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:*:*:*:*:*:*:*:*

External links

https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.