Use After Free in Google Chrome
CVE-2020-6551
Use after free in WebXR in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.277 (98.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.293 · newest: 0.277 · change: -0.015
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 33
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- crbug.com/1107815 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- packetstormsecurity.com/files/159611/Chrome-XRSystem-FocusedFrameChanged-and-Fo… (VDB Entry, Third Party Advisory)
- www.debian.org/security/2021/dsa-4824 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202101-30 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-6551?
- CVE-2020-6551 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.8/10. Published 2020-09-21.
- How severe is CVE-2020-6551?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-6551 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.