CVE-2020-23622
Estado: ModificadaAlta (7.5)—
Gravedad7.5Alta · CVSS 3.1
Probabilidad de explotación1.12 %mayor que el 66 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado
** NO SOPORTADO CUANDO SE ASIGNÓ ** Un problema en el protocolo UPnP en 4thline cling versiones 2.0.0 hasta 2.1.2, permite a atacantes remotos causar una denegación de servicio por medio de un parámetro CALLBACK no comprobado en el encabezado de la petición.
CVSS
- Puntuación base
- 7.5
- Versión
- 3.1
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 1.12 %
- Percentil entre todas las CVEs puntuadas
- 66
- Fecha de la puntuación
- 24/10/2026
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-918
Referencias
Mostrar las 4 referencias
- https://github.com/4thline/cling/issues/253
- https://zh-cn.tenable.com/blog/cve-2020-12695-callstranger-vulnerability-in-universal-plug-and-play-upnp-puts-billions-of?tns_redirect=true
- https://github.com/4thline/cling/issues/253
- https://zh-cn.tenable.com/blog/cve-2020-12695-callstranger-vulnerability-in-universal-plug-and-play-upnp-puts-billions-of?tns_redirect=true
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-23622",
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"integrityImpact": "NONE",
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"published": "2022-08-15T20:15:09.040",
"references": [
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{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://zh-cn.tenable.com/blog/cve-2020-12695-callstranger-vulnerability-in-universal-plug-and-play-upnp-puts-billions-of?tns_redirect=true",
"tags": [
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],
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"vulnStatus": "Modified",
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"description": [
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],
"descriptions": [
{
"lang": "en",
"value": "An issue in the UPnP protocol in 4thline cling 2.0.0 through 2.1.2 allows remote attackers to cause a denial of service via an unchecked CALLBACK parameter in the request header"
},
{
"lang": "es",
"value": "** NO SOPORTADO CUANDO SE ASIGNÓ ** Un problema en el protocolo UPnP en 4thline cling versiones 2.0.0 hasta 2.1.2, permite a atacantes remotos causar una denegación de servicio por medio de un parámetro CALLBACK no comprobado en el encabezado de la petición."
}
],
"lastModified": "2026-06-17T03:04:52.650",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"matchCriteriaId": "740B8998-CC1B-4AC7-A0EC-216E4230D80F",
"versionEndIncluding": "2.1.2",
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