Null Termination Vulnerability in RUGGEDCOM Products by Siemens
CVE-2021-42020

7.5HIGH

Key Information:

Vendor

Siemens
Status
Ruggedcom I800
Ruggedcom I800nc
Ruggedcom I801
Ruggedcom I801nc
Vendor
CVE Published:
8 March 2022

What is CVE-2021-42020?

A vulnerability exists within the TFTP functionality of various RUGGEDCOM devices from Siemens, where it does not properly check for null terminations in file names. This oversight may enable an attacker to exploit the vulnerability, potentially leading to data corruption and hard-fault conditions within the device's application.

Affected Version(s)

RUGGEDCOM i800 All versions < V4.3.8

RUGGEDCOM i800NC All versions < V4.3.8

RUGGEDCOM i801 All versions < V4.3.8

References

https://cert-portal.siemens.com/productcert/pdf/ssa-25635...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.