CVE-2026-46474
Trog::TOTP versions before 1.006 for Perl generate secrets using rand.
Secrets were generated using Perl's built-in rand function, which is predictable and unsuitable for security usage.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.49%
- Percentil entre todas las CVEs puntuadas: 40
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access85 % - Impacto principal
T1212Exploitation for Credential Accesscredential access90 %
AV:N/PR:N/UI:N indica acceso de red sin privilegios (T1190). La generación predecible de secretos TOTP permite recuperar credenciales de autenticación (T1212), con C:H confirmado.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-331
Referencias
JSON original (NVD)
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{
"id": "CVE-2026-46474",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-46474",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-05-18T15:00:59.850793Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"affectedData": [
{
"repo": "https://github.com/teodesian/Trog-TOTP",
"vendor": "TEODESIAN",
"product": "Trog::TOTP",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "1.006",
"versionType": "custom"
}
],
"packageName": "Trog-TOTP",
"programFiles": [
"lib/Trog/TOTP.pm"
],
"collectionURL": "https://cpan.org/modules",
"defaultStatus": "unaffected",
"programRoutines": [
{
"name": "Trog::TOTP::_gen_secret"
}
]
}
]
}
],
"published": "2026-05-15T18:16:26.053",
"references": [
{
"url": "https://metacpan.org/release/TEODESIAN/Trog-TOTP-1.006/changes",
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
},
{
"url": "https://metacpan.org/release/TEODESIAN/Trog-TOTP-1.006/diff/TEODESIAN/Trog-TOTP-1.005#lib/Trog/TOTP.pm",
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/05/15/18",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
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"type": "Secondary",
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"description": [
{
"lang": "en",
"value": "CWE-331"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Trog::TOTP versions before 1.006 for Perl generate secrets using rand.\n\nSecrets were generated using Perl's built-in rand function, which is predictable and unsuitable for security usage."
}
],
"lastModified": "2026-06-17T10:53:41.913",
"sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
}