CVE-2021-41256
CVSS V2 Medium 5.8
CVSS V3 High 7.1
Description
nextcloud news-android is an Android client for the Nextcloud news/feed reader app. In affected versions the Nextcloud News for Android app has a security issue by which a malicious application installed on the same device can send it an arbitrary Intent that gets reflected back, unintentionally giving read and write access to non-exported Content Providers in Nextcloud News for Android. Users should upgrade to version 0.9.9.63 or higher as soon as possible.
Overview
- CVE ID
- CVE-2021-41256
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-30T21:15:08
- Last Modified Date
- 2021-12-02T18:33:00
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nextcloud:news:*:*:*:*:*:android:*:* | 1 | OR | 0.9.9.63 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.1
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85 | Patch Third Party Advisory |
| https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md | Exploit Third Party Advisory |
| https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3 | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-41256 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41256 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:43:33 | Added to TrackCVE | |||
| 2022-12-05 15:19:25 | 2021-11-30T21:15Z | 2021-11-30T21:15:08 | CVE Published Date | updated |
| 2022-12-05 15:19:25 | 2021-12-02T18:33:00 | CVE Modified Date | updated | |
| 2022-12-05 15:19:25 | Analyzed | Vulnerability Status | updated |