CVE-2021-22877
CVSS V2 Medium 5.5
CVSS V3 Medium 6.5
Description
A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.
Overview
- CVE ID
- CVE-2021-22877
- Assigner
- support@hackerone.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-03T18:15:14
- Last Modified Date
- 2022-09-27T15:45:51
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | 1 | OR | 20.0.6 | |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.2
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/nextcloud/server/issues/24600 | Exploit Patch Third Party Advisory |
| https://github.com/nextcloud/server/pull/25224 | Patch Third Party Advisory |
| https://nextcloud.com/security/advisory/?id=NC-SA-2021-004 | Vendor Advisory |
| https://hackerone.com/reports/1061591 | Issue Tracking Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/ | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22877 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22877 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:39:50 | Added to TrackCVE | |||
| 2022-12-05 23:04:42 | cve-assignments@hackerone.com | support@hackerone.com | CVE Assigner | updated |
| 2022-12-05 23:04:42 | 2021-03-03T18:15Z | 2021-03-03T18:15:14 | CVE Published Date | updated |
| 2022-12-05 23:04:42 | 2022-09-27T15:45:51 | CVE Modified Date | updated | |
| 2022-12-05 23:04:42 | Analyzed | Vulnerability Status | updated |