#VU56620 Buffer overflow in Siemens products - CVE-2021-33719
Published: September 15, 2021
Vulnerability identifier: #VU56620
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-33719
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SIPROTEC 5 relays with CPU variants CP150
SIPROTEC 5 relays with CPU variants CP200
SIPROTEC 5 relays with CPU variants CP050
SIPROTEC 5 relays with CPU variants CP100
SIPROTEC 5 relays with CPU variants CP300
SIPROTEC 5 relays with CPU variants CP150
SIPROTEC 5 relays with CPU variants CP200
SIPROTEC 5 relays with CPU variants CP050
SIPROTEC 5 relays with CPU variants CP100
SIPROTEC 5 relays with CPU variants CP300
Software vendor:
Siemens
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 send a specially crafted packet, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.