CVE-2020-4020

The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute arbitrary .exe files via a Protection Mechanism Failure.

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://jira.atlassian.com/browse/CONFSERVER-59733	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:atlassian:companion:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-06-01 07:15

Updated : 2023-12-10 13:27

NVD link : CVE-2020-4020

Mitre link : CVE-2020-4020

CVE.ORG link : CVE-2020-4020

JSON object : View

Products Affected

atlassian

companion

CWE

NVD-CWE-Other

{"id": "CVE-2020-4020", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "published": "2020-06-01T07:15:11.063", "references": [{"url": "https://jira.atlassian.com/browse/CONFSERVER-59733", "tags": ["Vendor Advisory"], "source": "security@atlassian.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute arbitrary .exe files via a Protection Mechanism Failure."}, {"lang": "es", "value": "La funcionalidad file downloading en la Atlassian Companion App versiones anteriores a 1.0.0, permite a atacantes remotos, que controlan una instancia de Confluence Server a la que est\u00e1 conectada la Companion App, ejecutar archivos .exe arbitrarios por medio de un Fallo del Mecanismo de Protecci\u00f3n."}], "lastModified": "2020-06-02T20:53:17.187", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:atlassian:companion:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0633F948-1149-4BD9-864E-DCA8E182DA76", "versionEndExcluding": "1.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@atlassian.com"}