Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jupyter | Notebook | >= 5.7.0, < 5.7.11 |
Related Weaknesses (CWE)
References
- https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14efExploitThird Party Advisory
- https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797Third Party Advisory
- https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14efExploitThird Party Advisory
- https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797Third Party Advisory
FAQ
What is CVE-2021-32798?
CVE-2021-32798 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 Goog...
How severe is CVE-2021-32798?
CVE-2021-32798 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-32798?
Check the references section above for vendor advisories and patch information. Affected products include: Jupyter Notebook.