// For flags

CVE-2021-32798

Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in notebook

Severity Score

9.6
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The Jupyter notebook is a web-based notebook environment for interactive computing. In affected versions untrusted notebook can execute code on load. Jupyter Notebook uses a deprecated version of Google Caja to sanitize user inputs. A public Caja bypass can be used to trigger an XSS when a victim opens a malicious ipynb document in Jupyter Notebook. The XSS allows an attacker to execute arbitrary code on the victim computer using Jupyter APIs.

Jupyter notebook, es un entorno de cuaderno basado en la web para la computación interactiva. En las versiones afectadas, el cuaderno no fiable puede ejecutar código al cargarlo. Jupyter Notebook usa una versión obsoleta de Google Caja para sanear las entradas del usuario. Una omisión pública de Caja puede ser usado para desencadenar un ataque de tipo XSS cuando una víctima abre un documento ipynb malicioso en Jupyter Notebook. El ataque de tipo XSS permite a un atacante ejecutar código arbitrario en el ordenador de la víctima usando las API de Jupyter

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
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
  • 2021-05-12 CVE Reserved
  • 2021-08-09 CVE Published
  • 2024-07-15 EPSS Updated
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Jupyter
Search vendor "Jupyter"
 Notebook
Search vendor "Jupyter" for product "Notebook"
 >= 5.7.0 < 5.7.11
Search vendor "Jupyter" for product "Notebook" and version " >= 5.7.0 < 5.7.11"
-
Affected
Jupyter
Search vendor "Jupyter"
 Notebook
Search vendor "Jupyter" for product "Notebook"
 6.4.0
Search vendor "Jupyter" for product "Notebook" and version "6.4.0"
-
Affected