CVE-2023-5166Network attack vector

Access-token theft via crafted extension icon URL

Published Sep 25, 2023 · Updated Sep 24, 2024

Information disclosure in Docker Desktop before 4.23.0 allows remote authenticated users to steal access tokens via a crafted extension icon URL. Docker has not published the component or request-processing error that causes the icon URL to expose the token. Exploitation requires low privileges and user interaction, and the disclosed consequence is theft of the victim's access token.

CVSS severity8.0
High
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Docker Desktop before 4.23.0 allows remote authenticated users to steal access tokens via a crafted extension icon URL. Docker has not published the component or request-processing error that causes the icon URL to expose the token. Exploitation requires low privileges and user interaction, and the disclosed consequence is theft of the victim's access token.

The record

CVE
CVE-2023-5166
Published
Sep 25, 2023
Updated
Sep 24, 2024
Vendor
Docker
Product
Docker Desktop
Classifications
CWE-200, T1528
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 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=0 <4.23.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Docker · Docker Desktopversion=0 <4.23.0

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
8.0Docker Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1528Steal Application Access Token

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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