formidable: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Formidable
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| node-formidable | Formidable | unaffected |
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No data.
| Vendor | Product | Versions |
|---|---|---|
| Node-formidable | Formidable | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-12478 | Formidable relies on hexoid to prevent guessing of filenames for untrusted executable content |
Github GHSA |
GHSA-75v8-2h7p-7m2m | Formidable relies on hexoid to prevent guessing of filenames for untrusted executable content |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.446% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:node-formidable:formidable:*:*:*:*:*:node.js:*:* |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Title | formidable: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Formidable | |
| References |
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| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | Formidable (aka node-formidable) 2.1.0 through 3.x before 3.5.3 relies on hexoid to prevent guessing of filenames for untrusted executable content; however, hexoid is documented as not "cryptographically secure." (Also, there is a scenario in which only the last two characters of a hexoid string need to be guessed, but this is not often relevant.) NOTE: this does not imply that, in a typical use case, attackers will be able to exploit any hexoid behavior to upload and execute their own content. | |
| Weaknesses | CWE-338 | |
| References |
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| Metrics |
cvssV3_1
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