CVE-2022-4187Network attack vector

Filesystem restriction bypass via DevTools policy gap

Published Nov 29, 2022 · Updated Aug 3, 2024

Policy enforcement flaw in Chrome DevTools before 108.0.5359.71 on Windows allows remote attackers to bypass filesystem restrictions via crafted HTML. DevTools fails to enforce filesystem access policy when processing a crafted HTML page, allowing restricted file operations. Exploitation requires a victim to load the page; impact is integrity compromise of files, with no reported confidentiality or availability effect.

CVSS severity6.5
Medium
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Policy enforcement flaw in Chrome DevTools before 108.0.5359.71 on Windows allows remote attackers to bypass filesystem restrictions via crafted HTML. DevTools fails to enforce filesystem access policy when processing a crafted HTML page, allowing restricted file operations. Exploitation requires a victim to load the page; impact is integrity compromise of files, with no reported confidentiality or availability effect.

The record

CVE
CVE-2022-4187
Published
Nov 29, 2022
Updated
Aug 3, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 29, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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 <108.0.5359.71

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=unspecified <108.0.5359.71

Published CVSS scores

6.5NVDCVSS: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 exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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

Technologies

Your stack

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Your stack

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