Resource exhaustion in Siemens products - CVE-2019-6568
Published: August 22, 2019
Vulnerability identifier: #VU20359
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2019-6568
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation in the webserver. A remote attacker can trigger resource exhaustion, perform a denial of service (DoS) attack and restart the webserver of the affected device.
Affected software
SINAMICS SM120
SINAMICS SL150
SINAMICS GM150
SINAMICS GL150
SINAMICS GH150
SINAMICS SM150
SINAMICS SL150
SINAMICS GM150
SINAMICS GL150
SINAMICS GH150
SINAMICS SM150
How to mitigate CVE-2019-6568
Install updates from vendor's website.
SINAMICS GM150 - update to 4.8 SP2 HF9
SINAMICS GL150 - addressed in versions 4.8 SP2 HF7, 4.8 SP2 HF9
SINAMICS GH150 - addressed in versions 4.8 SP2 HF6, 4.8 SP2 HF9
SINAMICS SM150 - update to 5.1 SP2 HF3
SINAMICS GL150 - addressed in versions 4.8 SP2 HF7, 4.8 SP2 HF9
SINAMICS GH150 - addressed in versions 4.8 SP2 HF6, 4.8 SP2 HF9
SINAMICS SM150 - update to 5.1 SP2 HF3