CVE-2021-21164: Chromium CVE-2021-21164: Insufficient data validation in Chrome for iOS
CVE-2021-21164 is an edge - chromium vulnerability in Chromium CVE-2021-21164: Insufficient data validation in Chrome for iOS. Microsoft has not reported exploitation in the wild. The EPSS model estimates a 0.81% probability of exploitation activity in the next 30 days, higher than 57% of all scored vulnerabilities. Microsoft released the fix on 4 March 2021, outside Patch Tuesday. It affects 1 product in 1 product family (Browser).
Key facts
- CVE ID
- CVE-2021-21164
- Severity
- N/A
- Impact
- Edge - Chromium
- Exploited in the wild
- No
- Publicly disclosed
- No
- Weakness
- CWE-346
- EPSS
- 0.81% (percentile 57%)
- CISA KEV
- Not listed
- Released
- Last updated
- Patch Tuesday
- March 2021 Patch Tuesday
- Product families
- Browser
Description
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
Frequently asked questions (Microsoft)
Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
- In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
- Click on Help and Feedback
- Click on About Microsoft Edge
What is the version information for this release?
Microsoft Edge Version
Date Released
Based on Chromium Version
89.0.774.45
3/4/2021
89.0.4389.72
Affected products (1)
Browser
| Product | Security update | Type | Fixed build | Restart |
|---|---|---|---|---|
| Microsoft Edge (Chromium-based) | Release Notes | Security Update | 89.0.774.45 | No |
NIST NVD data
- NVD status
- Modified
- NVD CVSS
- 6.5 (MEDIUM)
- NVD weakness
- CWE-346
- Published to NVD
- NVD last modified
Affected configurations (CPE)
| Product | Vulnerable versions |
|---|---|
| chrome | before 89.0.4389.72 |
| fedora 32 | all listed versions |
| fedora 33 | all listed versions |
| fedora 34 | all listed versions |
| debian linux 10.0 | all listed versions |
References
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- https://crbug.com/1164846 (Permissions Required)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- https://crbug.com/1164846 (Permissions Required)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
Revision history
| Version | Date | Description |
|---|---|---|
| 1.0 | Information published. |