SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-6516

Policy bypass in CORS in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

MEDIUM 4.3EPSS 4.76%

Does this matter?

Lower severity and a low EPSS score (4.76%). Track it; it rarely justifies an emergency change on its own.

Description

Policy bypass in CORS in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

CVSS 3.1
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
4.76% probability · 92th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
google/chrome · opensuse/backports sle · debian/debian linux · fedoraproject/fedora · opensuse/leap
Source
chrome-cve-admin@google.com
EPSS trend
0%3%5%26 October 2026: 4.76%26 October 202626 October 2026

EPSS 4.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.