How severe is CVE-2024-22420?

CVE-2024-22420 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-22420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-22420?

CVE-2024-22420 primarily affects Jupyter Jupyterlab. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-22420?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-22420 have an EU (EUVD) identifier?

Yes. CVE-2024-22420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0248.

When was CVE-2024-22420 published?

CVE-2024-22420 was published on 2024-01-19 and last updated on 2026-06-17.

CVE-2024-22420

CVE-2024-22420 is a medium-severity vulnerability in Jupyter Jupyterlab with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0248
Weakness: CWE-79
Affected product: Jupyter Jupyterlab
Published: 2024-01-19
Last modified: 2026-06-17

Description

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. This vulnerability depends on user interaction by opening a malicious Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user. JupyterLab version 4.0.11 has been patched. Users are advised to upgrade. Users unable to upgrade should disable the table of contents extension.

Frequently asked questions

What is CVE-2024-22420?: JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. This vulnerability depends on user interaction by opening a malicious Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user. JupyterLab version 4.0.11 has been patched. Users are advised to upgrade. Users unable to upgrade should disable the table of contents extension.
How severe is CVE-2024-22420?: CVE-2024-22420 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-22420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22420?: CVE-2024-22420 primarily affects Jupyter Jupyterlab. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-22420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-22420 have an EU (EUVD) identifier?: Yes. CVE-2024-22420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0248.
When was CVE-2024-22420 published?: CVE-2024-22420 was published on 2024-01-19 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:jupyter:jupyterlab:*:*:*:*:*:*:*:*
cpe:2.3:a:jupyter:notebook:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*

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