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VULNERABILITIES

CVE-2020-8293 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://hackerone.com/reports/1018146 CVEThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-001 CVEBroken LinkVendor Advisory
https://hackerone.com/reports/1018146 [email protected]Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-001 [email protected]Broken LinkVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]
CWE-400Uncontrolled Resource Consumption[email protected]

Affected Products

ProductVersions
nextcloud nextcloud server
< 18.0.11
>= 19.0.0, < 19.0.5
>= 20.0.0, < 20.0.2

CPE

  • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-8293
NVD Published Date:
Jan 26, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-8293 Details - Not Deferred