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CVE-2021-23976
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
When accepting a malicious intent from other installed apps, Firefox for Android accepted manifests from arbitrary file paths and allowed declaring webapp manifests for other origins. This could be used to gain fullscreen access for UI spoofing and could also lead to cross-origin attacks on targeted websites. Note: This issue is a different issue from CVE-2020-26954 and only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 86..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 5.8/10
- Exploit Score
- 8.6/10
- Access Vector
- Network
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 4.9/10
- Confidentiality Impact
- Partial
- Availability Impact
- None
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- High
- Base Score
- 8.1/10
- Exploit Score
- 2.8/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 5.2/10
- Confidentiality Impact
- High
- Availability Impact
- None
- Integrity Impact
- High
- Scope
- Unchanged
- User Interaction
- Required
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:* |
Yes
|
- | 86.0 |