CVE-2021-37630
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
Nextcloud Circles is an open source social network built for the nextcloud ecosystem. In affected versions the Nextcloud Circles application allowed any user to join any "Secret Circle" without approval by the Circle owner leaking private information. It is recommended that Nextcloud Circles is upgraded to 0.19.15, 0.20.11 or 0.21.4. There are no workarounds for this issue.
Overview
- CVE ID
- CVE-2021-37630
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-07T20:15:07
- Last Modified Date
- 2021-09-14T16:29:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:* | 1 | OR | 0.19.5 | |
| cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:* | 1 | OR | 0.20.0 | 0.20.11 |
| cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:* | 1 | OR | 0.21.0 | 0.21.4 |
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://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm | Third Party Advisory |
| https://github.com/nextcloud/circles/pull/768 | Patch Third Party Advisory |
| https://hackerone.com/reports/1257624 | Permissions Required Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-37630 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37630 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:05:29 | Added to TrackCVE | |||
| 2022-12-05 09:47:01 | 2021-09-07T20:15Z | 2021-09-07T20:15:07 | CVE Published Date | updated |
| 2022-12-05 09:47:01 | 2021-09-14T16:29:26 | CVE Modified Date | updated | |
| 2022-12-05 09:47:01 | Analyzed | Vulnerability Status | updated |