#VU53663 Buffer overflow in Siemens products - CVE-2020-15782

Vulnerability identifier: #VU53663

Vulnerability risk: High

CVSSv4.0: 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

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
SIMATIC ET 200SP Open Controller CPU 1515SP PC2
SIMATIC S7-1500 Software Controller
SIMATIC S7-PLCSIM Advanced
SIMATIC ET 200SP Open Controller CPU 1515SP PC
SIMATIC S7-1200
SIMATIC S7-1500 CPU
SIMATIC Drive Controller

Software vendor:
Siemens

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.

Install updates from vendor's website.

• https://cert-portal.siemens.com/productcert/pdf/ssa-434534.pdf