SSA-158827: Denial-of-Service Vulnerability in Automation License Manager
A vulnerability was identified in the Automation License Manager software that could be triggered by sending specially crafted packets to port 4410/tcp of an affected system. This could cause a denial-of-service preventing legitimate users from using the system. Siemens has released an update for the Automation License Manager 6 and recommends to update to the latest version. Siemens recommends specific countermeasures for products where updates are not, or not yet available.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-25659US | high7.5 | — | ||
A vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6.0 SP9 Update 2). Sending specially crafted packe… | ||||
references
External citations — patches, advisories, analysis.
remediations (4)
- MitigationAutomation License Manager 5
If remote connections are needed, limit remote access to port 4410/tcp to trusted systems only
- MitigationAutomation License Manager 6
If remote connections are needed, limit remote access to port 4410/tcp to trusted systems only
- No fix availableAutomation License Manager 5
Currently no remediation is available
- FixedAutomation License Manager 6
Update to V6.0 SP9 Update 2 or later
https://support.industry.siemens.com/cs/ww/en/view/114358/
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