Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-42027 |
CWE-ID | CWE-295 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
SINUMERIK Edge Server applications / SCADA systems |
Vendor |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU59232
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42027
CWE-ID:
CWE-295 - Improper Certificate Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper certificate validation when initiating a TLS connection. A remote attacker can interfere in the communication path between the client and the intended server and spoof a trusted entity.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSINUMERIK Edge: before 3.2
External linkshttp://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf
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.