Multiple vulnerabilities in Siemens SIMATIC HMI Products
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-15786 CVE-2020-15787 |
| CWE-ID | CWE-307 CWE-287 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
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 SIMATIC HMI United Comfort Panels Server applications / SCADA systems |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Improper Restriction of Excessive Authentication Attempts
EUVDB-ID: #VU46526
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: CVE-2020-15786
CWE-ID:
CWE-307 - Improper Restriction of Excessive Authentication Attempts
Exploit availability: No
DescriptionThe 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.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsSIMATIC HMI Basic Panels 2nd Generation: All versions
SIMATIC HMI Comfort Panels: All versions
SIMATIC HMI Mobile Panels: All versions
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-20-252-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper Authentication
EUVDB-ID: #VU46527
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: CVE-2020-15787
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote attacker can discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsSIMATIC HMI United Comfort Panels: All versions
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-20-252-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
