CVE-2020-6485Known exploitationPublic exploitNetwork attack vector

Navigation restriction bypass via unvalidated media-router input

Published May 21, 2020 · Updated Aug 4, 2024

Insufficient data validation in Google Chrome's media router before 83.0.4103.61 allows remote attackers to bypass navigation restrictions. The media router accepts crafted input from a compromised renderer without enforcing the navigation restrictions that should constrain it. A crafted HTML page and prior renderer compromise are required; the issue changes permitted navigation rather than directly reading data or interrupting the browser.

CVSS severity6.5
Medium
EPSS probability1.68%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient data validation in Google Chrome's media router before 83.0.4103.61 allows remote attackers to bypass navigation restrictions. The media router accepts crafted input from a compromised renderer without enforcing the navigation restrictions that should constrain it. A crafted HTML page and prior renderer compromise are required; the issue changes permitted navigation rather than directly reading data or interrupting the browser.

The record

CVE
CVE-2020-6485
Published
May 21, 2020
Updated
Aug 4, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 21, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <83.0.4103.61

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=unspecified <83.0.4103.61

Published CVSS scores

6.5Canonical Ubuntu SecurityCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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