CVE-2021-22896
CVSS V2 Medium 4
CVSS V3 Medium 4.3
Description
Nextcloud Mail before 1.9.5 suffers from improper access control due to a missing permission check allowing other authenticated users to create mail aliases for other users.
Overview
- CVE ID
- CVE-2021-22896
- Assigner
- support@hackerone.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-11T16:15:10
- Last Modified Date
- 2021-06-22T01:03:15
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* | 1 | OR | 1.9.5 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- 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:N/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.3
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/nextcloud/mail/pull/4864 | Patch Third Party Advisory |
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3 | Third Party Advisory |
| https://github.com/nextcloud/mail/releases/tag/v1.9.5 | Release Notes Third Party Advisory |
| https://hackerone.com/reports/1129996 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22896 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22896 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:10:32 | Added to TrackCVE | |||
| 2022-12-05 04:17:20 | cve-assignments@hackerone.com | support@hackerone.com | CVE Assigner | updated |
| 2022-12-05 04:17:20 | 2021-06-11T16:15Z | 2021-06-11T16:15:10 | CVE Published Date | updated |
| 2022-12-05 04:17:20 | 2021-06-22T01:03:15 | CVE Modified Date | updated | |
| 2022-12-05 04:17:20 | Analyzed | Vulnerability Status | updated |