1. Home
  2. CVE Database
  3. CVE-2021-42027
HIGH · 7.4

CVE-2021-42027

A vulnerability has been identified in SINUMERIK Edge (All versions < V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow ...

Vulnerability Description

A vulnerability has been identified in SINUMERIK Edge (All versions < V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server.

CVSS Score

7.4

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
SiemensSinumerik Edge< 3.2

Related Weaknesses (CWE)

CWE-295

References

FAQ

What is CVE-2021-42027?

CVE-2021-42027 is a vulnerability with a CVSS score of 7.4 (HIGH). A vulnerability has been identified in SINUMERIK Edge (All versions < V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow ...

How severe is CVE-2021-42027?

CVE-2021-42027 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42027?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Sinumerik Edge.