CVE-2021-43039

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The Samba file sharing service allowed anonymous read/write access.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 6.4 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961	Vendor Advisory
https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1	Exploit Third Party Advisory
https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2	Exploit Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*

Information

Published : 2021-12-05 20:15

Updated : 2022-11-28 13:38

NVD link : CVE-2021-43039

Mitre link : CVE-2021-43039

JSON object : View

CWE

NVD-CWE-noinfo

Advertisement

Products Affected

kaseya

unitrends_backup

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961", "name": "https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1", "name": "https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2", "name": "https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The Samba file sharing service allowed anonymous read/write access."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-43039", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}}, "publishedDate": "2021-12-06T04:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "10.5.5", "versionStartIncluding": "10.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-11-28T21:38Z"}