CVE-2021-36383

Xen Orchestra (with xo-web through 5.80.0 and xo-server through 5.84.0) mishandles authorization, as demonstrated by modified WebSocket resourceSet.getAll data is which the attacker changes the permission field from none to admin. The attacker gains access to data sets such as VMs, Backups, Audit, Users, and Groups.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/vatesfr/xen-orchestra/issues/5712	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:xen-orchestra:xo-server::::::::
	cpe:2.3:a:xen-orchestra:xo-web::::::::

History

No history.

Information

Published : 2021-07-12 14:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-36383

Mitre link : CVE-2021-36383

CVE.ORG link : CVE-2021-36383

JSON object : View

Products Affected

xen-orchestra

xo-server
xo-web

CWE

NVD-CWE-Other

{"id": "CVE-2021-36383", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "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": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "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}]}, "published": "2021-07-12T14:15:11.770", "references": [{"url": "https://github.com/vatesfr/xen-orchestra/issues/5712", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Xen Orchestra (with xo-web through 5.80.0 and xo-server through 5.84.0) mishandles authorization, as demonstrated by modified WebSocket resourceSet.getAll data is which the attacker changes the permission field from none to admin. The attacker gains access to data sets such as VMs, Backups, Audit, Users, and Groups."}, {"lang": "es", "value": "Xen Orchestra (con xo-web versiones hasta 5.80.0 y xo-server versiones hasta 5.84.0) maneja inapropiadamente la autorizaci\u00f3n, como es demostrado por los datos modificados de WebSocket resourceSet.getAll en los que el atacante cambia el campo permission de none a admin. El atacante obtiene acceso a conjuntos de datos como VMs, Copias de Seguridad, Auditor\u00eda, Usuarios y Grupos"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:xen-orchestra:xo-server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D28E9332-7ACF-4554-81C0-ECA4BDE1DB0F", "versionEndIncluding": "5.84.0"}, {"criteria": "cpe:2.3:a:xen-orchestra:xo-web:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9AFB1AD0-37E5-401A-8EE4-B61CD438C4C8", "versionEndIncluding": "5.80.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}