CVE-2023-25574
10.0 · CRITICALOverview
CVE-2023-25574 is a critical-severity vulnerability affecting jupyter lti_jupyterhub_authenticator. It was published on February 25, 2025 and has a CVSS 3.1 base score of 10.0 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
`jupyterhub-ltiauthenticator` is a JupyterHub authenticator for learning tools interoperability (LTI). LTI13Authenticator that was introduced in `jupyterhub-ltiauthenticator` 1.3.0 wasn't validating JWT signatures. This is believed to allow the LTI13Authenticator to authorize a forged request. Only users that has configured a JupyterHub installation to use the authenticator class `LTI13Authenticator` are affected. `jupyterhub-ltiauthenticator` version 1.4.0 removes LTI13Authenticator to address the issue. No known workarounds are available.
Remediation
Check the references section for vendor advisories and patches from jupyter. Update lti_jupyterhub_authenticator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2023-25574?
CVE-2023-25574 is a critical-severity vulnerability affecting jupyter lti_jupyterhub_authenticator. It was published on February 25, 2025 and has a CVSS 3.1 base score of 10.0 (CRITICAL).
How severe is CVE-2023-25574?
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-25574?
Check the references section for vendor advisories and patches from jupyter. Update lti_jupyterhub_authenticator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-25574?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-25574 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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