Vulnerability identifier: #VU50271
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-306
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SINAMICS SM150i
Hardware solutions /
Firmware
SINAMICS SM150
Hardware solutions /
Firmware
SINAMICS SM120
Hardware solutions /
Firmware
SINAMICS SL150
Hardware solutions /
Firmware
SINAMICS SH150
Hardware solutions /
Firmware
SINAMICS GM150
Hardware solutions /
Firmware
SINAMICS GL150
Hardware solutions /
Firmware
SINAMICS GH150
Hardware solutions /
Firmware
SIMATIC HMI Comfort Panels
Server applications /
SCADA systems
SIMATIC HMI KTP Mobile Panels
Server applications /
SCADA systems
Vendor: Siemens
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected devices with enabled Telnet service do not require authentication for this service. A remote attacker can gain full access to the device.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SINAMICS SM150i: All versions
SINAMICS SM150: All versions
SINAMICS SM120: All versions
SINAMICS SL150: All versions
SINAMICS SH150: All versions
SINAMICS GM150: All versions
SINAMICS GL150: All versions
SINAMICS GH150: All versions
External links
http://ics-cert.us-cert.gov/advisories/icsa-21-033-02
http://cert-portal.siemens.com/productcert/pdf/ssa-520004.pdf
http://cert-portal.siemens.com/productcert/pdf/ssa-752103.pdf
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.