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CVE-2020-6527

14
FAUCET Score

CVE-2020-6527 describes an insufficient policy enforcement vulnerability in Google Chrome prior to version 84.0.4147.89, allowing a remote attacker to bypass Content Security Policy via a crafted HTML page. This medium-severity vulnerability has a CVSS score of 4.3, indicating a network-based attack requiring user interaction, with a potential impact of low integrity. While not listed in CISA's KEV catalog and lacking public exploit code, it has garnered some community discussion and media coverage, suggesting awareness despite no active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 84.0.4147.89CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 85th percentile among its peer group of 26,236 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:84.0.4147.105-2.el6_10
View patch
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2020-6527Low

chromium-browser: Insufficient policy enforcement in CSP

Jul 14, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-07/msg00069.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-08/msg00007.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-08/msg00018.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-09/msg00041.html
Mailing ListThird Party Advisory
chromereleases.googleblog.com / 2020/07/stable-channel-update-for-desktop.html
Release NotesVendor Advisory
crbug.com / 992698
Permissions RequiredVendor Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG
security.gentoo.org / glsa/202007-08
Third Party Advisory
debian.org / security/2021/dsa-4824
Third Party Advisory