CVE-2020-8890
Estado: ModificadaMedia (5.9)—
An issue was discovered in MISP before 2.4.121. It mishandled time skew (between the machine hosting the web server and the machine hosting the database) when trying to block a brute-force series of invalid requests.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- Puntuación base: 5.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.10%
- Percentil entre todas las CVEs puntuadas: 65
- Fecha de la puntuación: 7/10/2026
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).
Tecnologías afectadas (1)
CWE
- CWE-367
Referencias
- https://github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520
- https://github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3
- https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121
- https://github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520
- https://github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3
- https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-8890",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
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"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
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"type": "Primary",
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"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
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"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 2.2
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
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"product": "n/a",
"versions": [
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}
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],
"published": "2020-02-12T00:15:09.513",
"references": [
{
"url": "https://github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520",
"tags": [
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"source": "cve@mitre.org"
},
{
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"tags": [
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"source": "cve@mitre.org"
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{
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"tags": [
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{
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"tags": [
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"Third Party Advisory"
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3",
"tags": [
"Patch",
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-367"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in MISP before 2.4.121. It mishandled time skew (between the machine hosting the web server and the machine hosting the database) when trying to block a brute-force series of invalid requests."
},
{
"lang": "es",
"value": "Se detectó un problema en MISP versiones anteriores a 2.4.121. Manejó inapropiadamente la distorsión del tiempo (entre la máquina que aloja el servidor web y la máquina que aloja la base de datos) cuando intenta bloquear una serie de peticiones inválidas de fuerza bruta."
}
],
"lastModified": "2026-06-22T19:23:18.580",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9EBF7B39-1C9D-4329-8A69-457E97134E51",
"versionEndExcluding": "2.4.121"
}
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"operator": "OR"
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}
],
"sourceIdentifier": "cve@mitre.org"
}