CVE-2024-47945
Critical
Description
The devices are vulnerable to session hijacking due to insufficient entropy in its session ID generation algorithm. The session IDs are predictable, with only 32,768 possible values per user, which allows attackers to pre-generate valid session IDs, leading to unauthorized access to user sessions. This is not only due to the use of an (insecure) rand() function call but also because of missing initialization via srand(). As a result only the PIDs are effectively used as seed.
SeverityCritical
CVSS9.8
Exploit probability—
ProductRittal Iot Interface Firmware
PublishedOct 15, 2024
First seenOct 15, 2024
Weakness typeCWE-340CWE-340
How to fix
Update
- rittal iot_interface_firmware6.21.00.2 or later
- rittal cmc_iii_processing_units_firmware6.21.00.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rittal iot_interface_firmware | v < 6.21.00.2 | 6.21.00.2 |
| rittal cmc_iii_processing_units_firmware | v < 6.21.00.2 | 6.21.00.2 |
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