CVE-2020-8293
CVSS V2 Medium 4
CVSS V3 Medium 6.5
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.
Overview
- CVE ID
- CVE-2020-8293
- Assigner
- support@hackerone.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-01-26T18:16:08
- Last Modified Date
- 2022-09-27T15:46:14
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | 1 | OR | 18.0.11 | |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | 1 | OR | 19.0.0 | 19.0.5 |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | 1 | OR | 20.0.0 | 20.0.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://hackerone.com/reports/1018146 | Third Party Advisory |
| https://nextcloud.com/security/advisory/?id=NC-SA-2021-001 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-8293 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8293 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:25:07 | Added to TrackCVE | |||
| 2022-12-05 20:53:49 | cve-assignments@hackerone.com | support@hackerone.com | CVE Assigner | updated |
| 2022-12-05 20:53:49 | 2021-01-26T18:16Z | 2021-01-26T18:16:08 | CVE Published Date | updated |
| 2022-12-05 20:53:49 | 2022-09-27T15:46:14 | CVE Modified Date | updated | |
| 2022-12-05 20:53:49 | Analyzed | Vulnerability Status | updated |