CVE-2020-8154

An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other users when sending a malicious request directly to the endpoint.

CVSS v3.0 7.7 HIGH
CVSS v2.0 6.8 MEDIUM

7.7^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.1 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://nextcloud.com/security/advisory/?id=NC-SA-2020-018	Vendor Advisory
https://hackerone.com/reports/819807	Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:nextcloud_server::::::::
	cpe:2.3:a:nextcloud:nextcloud_server::::::::

Information

Published : 2020-05-12 06:15

Updated : 2020-10-19 12:15

NVD link : CVE-2020-8154

Mitre link : CVE-2020-8154

JSON object : View

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

Advertisement

Products Affected

nextcloud

nextcloud_server

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-018", "name": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-018", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://hackerone.com/reports/819807", "name": "https://hackerone.com/reports/819807", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.html", "name": "openSUSE-SU-2020:0667", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00038.html", "name": "openSUSE-SU-2020:0668", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00040.html", "name": "openSUSE-SU-2020:0670", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html", "name": "openSUSE-SU-2020:1652", "tags": [], "refsource": "SUSE"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/", "name": "FEDORA-2020-c9863904de", "tags": [], "refsource": "FEDORA"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other users when sending a malicious request directly to the endpoint."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-639"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-8154", "ASSIGNER": "cve-assignments@hackerone.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.1}}, "publishedDate": "2020-05-12T13:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "17.0.5"}, {"cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "18.0.3", "versionStartIncluding": "18.0.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-10-19T19:15Z"}