Remote code execution in Siemens SIMATIC S7-1200 and S7-1500 CPU Families
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-15782 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Server applications / SCADA systems SIMATIC S7-1500 Software Controller Server applications / SCADA systems SIMATIC S7-PLCSIM Advanced Server applications / SCADA systems SIMATIC ET 200SP Open Controller CPU 1515SP PC Hardware solutions / Other hardware appliances SIMATIC S7-1200 Hardware solutions / Firmware SIMATIC S7-1500 CPU Hardware solutions / Firmware SIMATIC Drive Controller Hardware solutions / Firmware |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU53663
Risk: High
CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2020-15782
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSIMATIC ET 200SP Open Controller CPU 1515SP PC2: All versions
SIMATIC ET 200SP Open Controller CPU 1515SP PC: All versions
SIMATIC S7-1500 Software Controller: All versions
SIMATIC S7-1200: before 4.5.0
SIMATIC S7-1500 CPU: before 2.9.2
SIMATIC S7-PLCSIM Advanced: before 4.0
SIMATIC Drive Controller: before 2.9.2
CPE2.3- cpe:2.3:a:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_s7-1500_software_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7-1200:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7-1500_cpu:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_drive_controller:*:*:*:*:*:*:*:*
https://cert-portal.siemens.com/productcert/pdf/ssa-434534.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.
