Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-7589 |
CWE-ID | CWE-306 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
LOGO!8 BM Hardware solutions / Other hardware appliances |
Vendor | Siemens |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU28932
Risk: High
CVSSv3.1: 8.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-7589
CWE-ID:
CWE-306 - Missing Authentication for Critical Function
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication checks.
The vulneability exists due to the affected product is missing authentication in the TDE service functionality in "NFSAccess" and "DELETEPROG" functions. A remote attacker with access to Port 135/TCP can read and modify the device configuration and obtain project files from the devices.
MitigationInstall updates from vendor's website.
Vulnerable software versionsLOGO!8 BM: All versions
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-20-161-03
http://cert-portal.siemens.com/productcert/pdf/ssa-817401.pdf
http://talosintelligence.com/vulnerability_reports/TALOS-2020-1026
http://talosintelligence.com/vulnerability_reports/TALOS-2020-1025
http://talosintelligence.com/vulnerability_reports/TALOS-2020-1024
Q & A
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.