Predictable Session Identifier Generation in Siemens Reyrolle 7SR5 Enables Authentication Impersonation
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Siemens | Reyrolle 7SR5 | unknown |
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| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Siemens | Reyrolle 7sr5 |
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No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.563% probability within 30 days)
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| First Time appeared |
Siemens
Siemens reyrolle 7sr5 |
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| Vendors & Products |
Siemens
Siemens reyrolle 7sr5 |
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| Title | Predictable Session Identifier Generation in Siemens Reyrolle 7SR5 Enables Authentication Impersonation |
| Type | Values Removed | Values Added |
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| Description | A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). A random number generator is used to generate security-relevant values (such as session identifiers used for authentication purposes) that is not initialized with a True Random Number Generator (TRNG), resulting in a predictable sequence of generated values. This could allow an unauthenticated remote attacker to more easily predict the generated values and impersonate a legitimate authenticated user, potentially gaining unauthorized access to the device. | |
| Weaknesses | CWE-20 | |
| References |
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| Metrics |
cvssV3_1
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