Denial-of-Service Vulnerability in Siemens Automation License Manager
CVE-2021-25659

7.5HIGH

Key Information:

Vendor
Siemens
Status
Automation License Manager 5
Automation License Manager 6
Vendor
CVE Published:
10 August 2021

Summary

A vulnerability exists within the Siemens Automation License Manager that allows an attacker to exploit it by sending specially crafted packets to port 4410/tcp. This can lead to significant memory consumption, resulting in a denial-of-service condition. As a consequence, legitimate users may be unable to access the system, hindering operational functionality.

Affected Version(s)

Automation License Manager 5 All versions

Automation License Manager 6 All versions < V6.0 SP9 Update 2

References

https://cert-portal.siemens.com/productcert/pdf/ssa-15882...
x_refsource_MISC

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

.