// For flags

CVE-2021-34435

 

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In Eclipse Theia 0.3.9 to 1.8.1, the "mini-browser" extension allows a user to preview HTML files in an iframe inside the IDE. But with the way it is made it is possible for a previewed HTML file to trigger an RCE. This exploit only happens if a user previews a malicious file..

En Eclipse Theia versiones 0.3.9 a 1.8.1, la extensión "mini-browser" permite al usuario previsualizar archivos HTML en un iframe dentro del IDE. Pero con la forma en que está hecha es posible para un archivo HTML previsualizado desencadenar un RCE. Esta explotación sólo ocurre si un usuario previsualiza un archivo malicioso

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-09 CVE Reserved
  • 2021-09-01 CVE Published
  • 2024-05-17 EPSS Updated
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-346: Origin Validation Error
  • CWE-942: Permissive Cross-domain Policy with Untrusted Domains
CAPEC
References (1)
URL Tag Source
URL Date SRC
https://bugs.eclipse.org/bugs/show_bug.cgi?id=568018 2024-08-04
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Eclipse
Search vendor "Eclipse"
 Theia
Search vendor "Eclipse" for product "Theia"
 >= 0.3.9 <= 1.8.1
Search vendor "Eclipse" for product "Theia" and version " >= 0.3.9 <= 1.8.1"
-
Affected