Vulnerability identifier: #VU46526
Vulnerability risk: Medium
CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-307
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SIMATIC HMI Basic Panels 2nd Generation
Server applications /
SCADA systems
SIMATIC HMI Comfort Panels
Server applications /
SCADA systems
SIMATIC HMI Mobile Panels
Server applications /
SCADA systems
Vendor: Siemens
Description
The vulnerability allows a remote attacker to gain access to the system.
The vulnerability exists due to the authentication mechanism has no brute-force prevention. A remote attacker can launch a brute-force authentication attack to discover user passwords and obtain access to the Sm@rt Server.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
SIMATIC HMI Basic Panels 2nd Generation: All versions
SIMATIC HMI Comfort Panels: All versions
SIMATIC HMI Mobile Panels: All versions
External links
http://ics-cert.us-cert.gov/advisories/icsa-20-252-06
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.