CVE-2021-21126
CVSS V2 Medium 4.3
CVSS V3 Medium 6.5
Description
Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass site isolation via a crafted Chrome Extension.
Overview
- CVE ID
- CVE-2021-21126
- Assigner
- chrome-cve-admin@google.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-02-09T14:15:16
- Last Modified Date
- 2021-03-04T18:17:27
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | 1 | OR | 88.0.4324.96 | |
| cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* | 1 | OR | 88.0.705.50 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- 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://crbug.com/1108126 | Permissions Required Third Party Advisory |
| https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html | Release Notes Vendor Advisory |
| https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21126 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-21126 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21126 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:21:05 | Added to TrackCVE | |||
| 2022-12-05 21:39:05 | 2021-02-09T14:15Z | 2021-02-09T14:15:16 | CVE Published Date | updated |
| 2022-12-05 21:39:05 | 2021-03-04T18:17:27 | CVE Modified Date | updated | |
| 2022-12-05 21:39:05 | Analyzed | Vulnerability Status | updated |