CVE-2020-8293

A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rules causing load and potential DDoS on later interactions and usage with those rules.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://hackerone.com/reports/1018146	Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-001	Broken Link Vendor Advisory
https://hackerone.com/reports/1018146	Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-001	Broken Link Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 05:38

Type	Values Removed	Values Added
References	~~() https://hackerone.com/reports/1018146 - Third Party Advisory~~	() https://hackerone.com/reports/1018146 - Third Party Advisory
References	~~() https://nextcloud.com/security/advisory/?id=NC-SA-2021-001 - Broken Link, Vendor Advisory~~	() https://nextcloud.com/security/advisory/?id=NC-SA-2021-001 - Broken Link, Vendor Advisory

Information

Published : 2021-01-26 18:16

Updated : 2024-11-21 05:38

NVD link : CVE-2020-8293

Mitre link : CVE-2020-8293

CVE.ORG link : CVE-2020-8293

JSON object : View

Products Affected

nextcloud

nextcloud_server

CWE

CWE-400

Uncontrolled Resource Consumption

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