#VU53663 Buffer overflow in Siemens products - CVE-2020-15782
Vulnerability identifier: #VU53663
Vulnerability 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:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
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
Description
The 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SIMATIC 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
External links
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.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
