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CVE-2020-6499

18
FAUCET Score

CVE-2020-6499 describes an inappropriate implementation vulnerability in Google Chrome's AppCache, affecting versions prior to 80.0.3987.87. A remote attacker could exploit this by crafting a malicious HTML page, bypassing AppCache security restrictions. Rated 6.5 MEDIUM, this vulnerability has a network attack vector, low attack complexity, and could lead to high integrity impact, though no confidentiality or availability impact is noted. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 80.0.3987.87CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.68%
Probability of exploitation in next 30 days
EPSS Percentile
48.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0068 is in the 54th percentile among its peer group of 26,236 CVEs.

Social Chatter

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

No media coverage found for this CVE.

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-0:80.0.3987.87-1.el6_10
View patch
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2020-6499Moderate

chromium-browser: Inappropriate implementation in AppCache

Feb 4, 2020

References

chromereleases.googleblog.com / 2020/02/stable-channel-update-for-desktop.html
Vendor Advisory
crbug.com / 999001
Permissions Required