CVE-2020-6493
CRITICALCVSS 9.6/10EPSS 1.68%
Last modified
CVE-2020-6493 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.. EPSS estimates a 1.68% chance of exploitation in the next 30 days.
Description
Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Chrome | < 83.0.4103.97 | — | |
| Debian | Debian Linux | 9.0 | — |
| Debian | Debian Linux | 10.0 | — |
| Opensuse | Backports | sle-15 | Sp1 |
| Opensuse | Leap | 15.1 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlThird Party Advisory
- https://crbug.com/1082105Permissions Required
- https://security.gentoo.org/glsa/202006-02Third Party Advisory
- https://www.debian.org/security/2020/dsa-4714Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlThird Party Advisory
- https://crbug.com/1082105Permissions Required
- https://security.gentoo.org/glsa/202006-02Third Party Advisory
- https://www.debian.org/security/2020/dsa-4714Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6493?
Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
How severe is CVE-2020-6493?
CVE-2020-6493 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6493?
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.
Related CVEs from 2020
- CVE-2020-6487Insufficient policy enforcement in downloads in Google Chrom…6.5
- CVE-2020-6488Insufficient policy enforcement in downloads in Google Chrom…4.3
- CVE-2020-6489Inappropriate implementation in developer tools in Google Ch…4.3
- CVE-2020-6490Insufficient data validation in loader in Google Chrome prio…4.3
- CVE-2020-6491Insufficient data validation in site information in Google C…6.5
- CVE-2020-6492Use after free in ANGLE in Google Chrome prior to 83.0.4103.…9.6
- CVE-2020-6494Incorrect security UI in payments in Google Chrome on Androi…6.5
- CVE-2020-6495Insufficient policy enforcement in developer tools in Google…6.5
- CVE-2020-6496Use after free in payments in Google Chrome on MacOS prior t…8.8
- CVE-2020-6497Insufficient policy enforcement in Omnibox in Google Chrome …6.5
- CVE-2020-6498Incorrect implementation in user interface in Google Chrome …6.5
- CVE-2020-6499Inappropriate implementation in AppCache in Google Chrome pr…6.5
Are you affected by CVE-2020-6493?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST