CVE-2020-27744

An issue was discovered on Western Digital My Cloud NAS devices before 5.04.114. They allow remote code execution with resultant escalation of privileges.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.comparitech.com/blog/information-security/security-vulnerabilities-80000-devices-update-now/	Exploit Third Party Advisory
https://www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:*

OR	cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:::::::*
	cpe:2.3:h:westerndigital:my_cloud_ex4100:-:::::::*
	cpe:2.3:h:westerndigital:my_cloud_mirror_gen2:-:::::::*
	cpe:2.3:h:westerndigital:my_cloud_pr2100:-:::::::*
	cpe:2.3:h:westerndigital:my_cloud_pr4100:-:::::::*

History

No history.

Information

Published : 2020-10-29 17:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-27744

Mitre link : CVE-2020-27744

CVE.ORG link : CVE-2020-27744

JSON object : View

Products Affected

westerndigital

my_cloud_firmware
my_cloud_pr4100
my_cloud_ex4100
my_cloud_pr2100
my_cloud_ex2_ultra
my_cloud_mirror_gen2

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2020-27744", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2020-10-29T17:15:12.903", "references": [{"url": "https://www.comparitech.com/blog/information-security/security-vulnerabilities-80000-devices-update-now/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered on Western Digital My Cloud NAS devices before 5.04.114. They allow remote code execution with resultant escalation of privileges."}, {"lang": "es", "value": "Se detect\u00f3 un problema en los dispositivos NAS de Western Digital My Cloud versiones anteriores a 5.04.114. Permiten una ejecuci\u00f3n de c\u00f3digo remota con una escalada de privilegios resultante"}], "lastModified": "2021-12-06T15:05:17.847", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A91F2BA-EC12-4060-A0A5-9E4EB6238036", "versionEndExcluding": "5.04.114"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5A581EBA-A1F2-4ABC-8183-29973A46FA43"}, {"criteria": "cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B78030F0-6655-4604-9D16-2FA1F3FD52FF"}, {"criteria": "cpe:2.3:h:westerndigital:my_cloud_mirror_gen2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DC3A412B-F905-4FBC-8536-820AF5162A08"}, {"criteria": "cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BF58260B-2131-402C-A9DA-67B188136DE1"}, {"criteria": "cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CB0C2FD9-4792-4DA2-9698-E53109A499EC"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}