CVE-2020-4026
Estado: ModificadaMedia (4.3)—
The CustomAppsRestResource list resource in Atlassian Navigator Links before version 3.3.23, from version 4.0.0 before version 4.3.7, from version 5.0.0 before 5.0.1, and from version 5.1.0 before 5.1.1 allows remote attackers to enumerate all linked applications, including those that are restricted or otherwise hidden, through an incorrect authorization check.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.75%
- Percentil entre todas las CVEs puntuadas: 54
- 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-863
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-4026",
"cveTags": [],
"metrics": {
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{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
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"cvssMetricV31": [
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security@atlassian.com",
"affectedData": [
{
"vendor": "Atlassian",
"product": "Navigator Links",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "3.2.23",
"versionType": "custom"
},
{
"status": "affected",
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"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
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{
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{
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{
"vendor": "Atlassian",
"product": "Crucible",
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"lessThan": "4.8.2",
"versionType": "custom"
}
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},
{
"vendor": "Atlassian",
"product": "Fisheye",
"versions": [
{
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"lessThan": "4.8.2",
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}
],
"published": "2020-06-03T00:15:10.857",
"references": [
{
"url": "https://jira.atlassian.com/browse/CRUC-8485",
"tags": [
"Vendor Advisory"
],
"source": "security@atlassian.com"
},
{
"url": "https://jira.atlassian.com/browse/FE-7299",
"tags": [
"Vendor Advisory"
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"source": "security@atlassian.com"
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{
"url": "https://jira.atlassian.com/browse/CRUC-8485",
"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
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"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-863"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The CustomAppsRestResource list resource in Atlassian Navigator Links before version 3.3.23, from version 4.0.0 before version 4.3.7, from version 5.0.0 before 5.0.1, and from version 5.1.0 before 5.1.1 allows remote attackers to enumerate all linked applications, including those that are restricted or otherwise hidden, through an incorrect authorization check."
},
{
"lang": "es",
"value": "El recurso de lista CustomAppsRestResource en Atlassian Navigator Links anterior a versión 3.3.23, desde versión 4.0.0 anterior a versión 4.3.7, desde versión 5.0.0 anterior a versión a 5.0.1 y desde versión 5.1.0 anterior a versión 5.1.1, permite a atacantes remotos enumerar todas las aplicaciones vinculadas, incluidas las que están restringidas o están ocultas, mediante una comprobación de autorización incorrecta."
}
],
"lastModified": "2026-06-17T03:19:26.710",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:a:atlassian:navigator_links:*:*:*:*:*:fisheye:*:*",
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"versionEndExcluding": "3.3.23"
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"versionEndExcluding": "4.3.7",
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{
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"versionEndExcluding": "5.0.1",
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"operator": "OR"
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"sourceIdentifier": "security@atlassian.com"
}