CVE-2019-20899
Estado: ModificadaMedia (5.3)—
The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.14%
- Percentil entre todas las CVEs puntuadas: 81
- Fecha de la puntuación: 6/10/2026
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 (4)
CWE
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-20899",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@atlassian.com",
"affectedData": [
{
"vendor": "Atlassian",
"product": "Jira Server",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.5.4",
"versionType": "custom"
},
{
"status": "affected",
"version": "8.6.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.6.1",
"versionType": "custom"
}
]
}
]
}
],
"published": "2020-07-13T01:15:13.433",
"references": [
{
"url": "https://jira.atlassian.com/browse/JRASERVER-70808",
"tags": [
"Vendor Advisory"
],
"source": "security@atlassian.com"
},
{
"url": "https://jira.atlassian.com/browse/JRASERVER-70808",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1."
},
{
"lang": "es",
"value": "La API Gadget en Atlassian Jira Server y Data Center en las versiones afectadas permite a atacantes remotos hacer que Jira no responda por medio de peticiones repetidas a un determinado endpoint en la API Gadget. Las versiones afectadas son anteriores a versión 8.5.4 y desde versión 8.6.0 anteriores a 8.6.1"
}
],
"lastModified": "2026-06-17T02:31:24.247",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1BD552E1-A564-434E-905A-380A9B1A090B",
"versionEndExcluding": "8.5.4"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7DEE45D0-B55A-4A06-BAF0-18A7E3D26DE4",
"versionEndExcluding": "8.6.1",
"versionStartIncluding": "8.5.5"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0B1BE966-205E-4CA3-A799-8B1754D10B27",
"versionEndExcluding": "8.7.0",
"versionStartIncluding": "8.6.2"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "02D4E59C-FFFF-4545-A5A1-DA5DB091B846",
"versionEndExcluding": "8.6.1",
"versionStartIncluding": "8.5.5"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1884A441-8487-40FF-AEE3-E025670C0723",
"versionEndExcluding": "8.7.0",
"versionStartIncluding": "8.6.2"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F9839F36-EBE8-4992-8AAA-234D352292AC",
"versionEndExcluding": "8.5.4"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@atlassian.com"
}