CVE-2020-6399
MEDIUMCVSS 6.5/10EPSS 1.99%
Last modified
CVE-2020-6399 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Insufficient policy enforcement in AppCache in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data via a crafted HTML page.. EPSS estimates a 1.99% chance of exploitation in the next 30 days.
Description
Insufficient policy enforcement in AppCache in Google Chrome prior to 80.0.3987.87 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 | Update |
|---|---|---|---|
| Chrome | < 80.0.3987.87 | — | |
| Opensuse | Backports Sle | 15.0 | Sp1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.htmlMailing List, Third Party Advisory
- https://crbug.com/1039869Permissions Required
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.htmlMailing List, Third Party Advisory
- https://crbug.com/1039869Permissions Required
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6399?
Insufficient policy enforcement in AppCache in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
How severe is CVE-2020-6399?
CVE-2020-6399 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.99% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6399?
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
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-6399?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
