OS Command Injection in mbDIALUP <= 3.9R0.0
CVE-2021-33527

9.8CRITICAL

Key Information:

Vendor

Mb Connect Line

Status
Mbdialup
Vendor
CVE Published:
2 August 2021

What is CVE-2021-33527?

In MB connect line mbDIALUP versions <= 3.9R0.0 a remote attacker can send a specifically crafted HTTP request to the service running with NT AUTHORITY\SYSTEM that will not correctly validate the input. This can lead to an arbitrary code execution with the privileges of the service.

Affected Version(s)

mbDIALUP 3.9R0.0

References

https://cert.vde.com/de-de/advisories/vde-2021-017
x_refsource_CONFIRM

EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Noam Moshe of Claroty reported this vulnerability to MB connect line GmbH. CERT@VDE coordinated.
.