CVE-2025-55069
AutomationDirect CLICK PLUS Predictable Seed in Pseudo-Random Number Generator
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 23, 2025
- Updated
- Sep 24, 2025
- Reserved
- Sep 16, 2025
Description
A predictable seed in pseudo-random number generator vulnerability has been discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software implements a predictable seed for its pseudo-random number generator, which compromises the security of the generated private keys.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N | icscert |
| 3.1 | 8.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L | icscert |
Weaknesses
- CWE-337 Predictable Seed in Pseudo-Random Number Generator
Affected Products
| Product | Versions |
|---|---|
CLICK PLUS C0-0x CPU firmwareAutomationDirect |
|
CLICK PLUS C0-1x CPU firmwareAutomationDirect |
|
CLICK PLUS C2-x CPU firmwareAutomationDirect |
|
References
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