CVE-2020-8138
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Forgery (SSRF) vulnerability when subscribing to a malicious calendar URL.
Overview
- CVE ID
- CVE-2020-8138
- Assigner
- support@hackerone.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-03-20T21:15:17
- Last Modified Date
- 2020-03-25T18:38:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | 1 | OR | 15.0.14 | |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.7 |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | 1 | OR | 17.0.0 | 17.0.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- 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:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://nextcloud.com/security/advisory/?id=NC-SA-2020-014 | Third Party Advisory |
| https://hackerone.com/reports/736867 | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-8138 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8138 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:46:21 | Added to TrackCVE | |||
| 2022-12-04 13:13:26 | cve-assignments@hackerone.com | support@hackerone.com | CVE Assigner | updated |
| 2022-12-04 13:13:26 | 2020-03-20T21:15Z | 2020-03-20T21:15:17 | CVE Published Date | updated |
| 2022-12-04 13:13:26 | 2020-03-25T18:38:04 | CVE Modified Date | updated | |
| 2022-12-04 13:13:26 | Analyzed | Vulnerability Status | updated |