CVE-2021-21136
MEDIUMCVSS 6.5/10EPSS 4.17%
Last modified
CVE-2021-21136 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page.. EPSS estimates a 4.17% chance of exploitation in the next 30 days.
Description
Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 88.0.4324.96 | |
| Microsoft | Edge Chromium | < 88.0.705.50 |
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1038002Issue Tracking, Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21136Third Party Advisory
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1038002Issue Tracking, Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21136Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21136?
Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
How severe is CVE-2021-21136?
CVE-2021-21136 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 4.17% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21136?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2021-21136?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST