SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-6519

Policy bypass in CSP in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to bypass content security policy via a crafted HTML page.

EXPLOITMEDIUM 6.5EPSS 10.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

Policy bypass in CSP in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to bypass content security policy via a crafted HTML page.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
10.27% probability · 96th percentile
Public exploits
1 in Exploit-DB · first 4 December 2020
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%8%15%22 September 2026: 10.27%26 October 2026: 10.27%22 September 202626 October 2026

EPSS moved from 10.3% on 22 September 2026 to 10.3% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-49195source ↗Chromium 83 - Full CSP Bypassmultiple · Gal Weizmanlocal4 December 2020no

References

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