8.6
HIGH
CVE-2021-39184
Electron Thumbnail Vulnerability
Description

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. A vulnerability in versions prior to 11.5.0, 12.1.0, and 13.3.0 allows a sandboxed renderer to request a "thumbnail" image of an arbitrary file on the user's system. The thumbnail can potentially include significant parts of the original file, including textual data in many cases. Versions 15.0.0-alpha.10, 14.0.0, 13.3.0, 12.1.0, and 11.5.0 all contain a fix for the vulnerability. Two workarounds aside from upgrading are available. One may make the vulnerability significantly more difficult for an attacker to exploit by enabling `contextIsolation` in one's app. One may also disable the functionality of the `createThumbnailFromPath` API if one does not need it.

INFO

Published Date :

Oct. 12, 2021, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 6:18 a.m.

Remotely Exploitable :

Yes !

Impact Score :

4.0

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-39184 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Electronjs electron
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-39184.

URL Resource
https://github.com/electron/electron/pull/30728 Third Party Advisory
https://github.com/electron/electron/security/advisories/GHSA-mpjm-v997-c4h4 Mitigation Third Party Advisory
https://github.com/electron/electron/pull/30728 Third Party Advisory
https://github.com/electron/electron/security/advisories/GHSA-mpjm-v997-c4h4 Mitigation Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-39184 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-39184 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/electron/electron/pull/30728
    Added Reference https://github.com/electron/electron/security/advisories/GHSA-mpjm-v997-c4h4
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Aug. 05, 2022

    Action Type Old Value New Value
    Added CWE NIST CWE-862
  • Initial Analysis by [email protected]

    Oct. 20, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
    Changed Reference Type https://github.com/electron/electron/pull/30728 No Types Assigned https://github.com/electron/electron/pull/30728 Third Party Advisory
    Changed Reference Type https://github.com/electron/electron/security/advisories/GHSA-mpjm-v997-c4h4 No Types Assigned https://github.com/electron/electron/security/advisories/GHSA-mpjm-v997-c4h4 Mitigation, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:electronjs:electron:*:*:*:*:*:*:*:* versions from (including) 10.1.0 up to (excluding) 11.5.0 *cpe:2.3:a:electronjs:electron:*:*:*:*:*:*:*:* versions from (including) 12.0.0 up to (excluding) 12.1.0 *cpe:2.3:a:electronjs:electron:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (excluding) 13.3.0 *cpe:2.3:a:electronjs:electron:14.0.0:beta1:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta10:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta11:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta12:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta13:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta14:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta15:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta16:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta17:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta18:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta19:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta2:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta20:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta21:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta22:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta23:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta24:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta25:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta3:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta4:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta5:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta6:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta7:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta8:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:14.0.0:beta9:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha2:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha3:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha4:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha5:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha6:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha7:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha8:*:*:*:*:*:* *cpe:2.3:a:electronjs:electron:15.0.0:alpha9:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-39184 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-39184 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.15 }} 0.01%

score

0.51306

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability