CVE-2020-6506
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
Insufficient policy enforcement in WebView in Google Chrome on Android prior to 83.0.4103.106 allowed a remote attacker to bypass site isolation via a crafted HTML page.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 83.0.4103.106-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 83.0.4103.106-1 |
| sid | Fixed | 83.0.4103.106-1 |
| forky | Fixed | 83.0.4103.106-1 |
| bullseye | Fixed | 83.0.4103.106-1 |
| bookworm | Fixed | 83.0.4103.106-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | react-native-webview | <11.0.0 | 11.0.0 |
References
- https://security-tracker.debian.org/tracker/CVE-2020-6506
- https://github.com/react-native-community/react-native-webview/security/advisories/GHSA-36j3-xxf7-4pqg
- https://github.com/react-native-webview/react-native-webview/security/advisories/GHSA-36j3-xxf7-4pqg
- https://nvd.nist.gov/vuln/detail/CVE-2020-6506
- https://github.com/react-native-webview/react-native-webview/pull/1747
- https://www.npmjs.com/advisories/1560
- https://security.gentoo.org/glsa/202101-30
- https://security.gentoo.org/glsa/202007-08
- https://lists.apache.org/thread.html/rf082834ad237f78a63671aec0cef8874f9232b7614529cc3d3e304c5@%3Ccommits.cordova.apache.org%3E
- https://lists.apache.org/thread.html/rc81e12fc9287f8743d59099b1af40f968f1cfec9eac98a63c2c62c69@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/rc0ebe639927fa09e222aa56bf5ad6e700218f334ecc6ba9da4397728@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/ra58733fbb88d5c513b3f14a14850083d506b9129103e0ab433c3f680@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/r2769c33da7f7ece7e4e31837c1e1839d6657c7c13bb8d228670b8da0@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/r1eadf38b38ee20405811958c8a01f78d6b28e058c84c9fa6c1a8663d@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/r1ab80f8591d5c2147898076e3945dad1c897513630aabec556883275@%3Cissues.cordova.apache.org%3E
- https://github.com/react-native-webview/react-native-webview/releases/tag/v11.0.0
- https://github.com/react-native-community/react-native-webview
- https://crbug.com/1083819
- https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop_15.html
- https://alesandroortiz.com/articles/uxss-android-webview-cve-2020-6506
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.