Use After Free in Google Chrome
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 9.0, 10.0
- openSUSE Backports — versions sle-15
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- crbug.com/1082105 (Permissions Required)
- chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html (Vendor Advisory)
- security.gentoo.org/glsa/202006-02 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2020/dsa-4714 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-6493?
- CVE-2020-6493 is a critical-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 9.6/10. Published 2020-06-03.
- How severe is CVE-2020-6493?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2020-6493 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.