CVE-2021-25659
High
Description
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 packets to port 4410/tcp of an affected system could lead to extensive memory being consumed and as such could cause a denial-of-service preventing legitimate users from using the system.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens Automation License Manager
PublishedAug 10, 2021
First seenAug 10, 2021
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- siemens automation_license_manager6.0.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens automation_license_manager | 5.0.0 ≤ v < 6.0.9 | 6.0.9 |
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