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CVE-2020-26232

Good to know:

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Date: November 24, 2020

Jupyter Server before version 1.0.6 has an Open redirect vulnerability. A maliciously crafted link to a jupyter server could redirect the browser to a different website. All jupyter servers are technically affected, however, these maliciously crafted links can only be reasonably made for known jupyter server hosts. A link to your jupyter server may appear safe, but ultimately redirect to a spoofed server on the public internet.

Language: Python

Severity Score

Related Resources (7)

https://github.com/jupyter-server/jupyter_server
https://github.com/jupyter/jupyter_server/security/advisories/GHSA-grfj-wjv9-4f9v
https://github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2020-234.yaml
https://github.com/jupyter-server/jupyter_server/commit/3d83e49090289c431da253e2bdb8dc479cbcb157
https://nvd.nist.gov/vuln/detail/CVE-2020-26232
https://github.com/jupyter-server/jupyter_server/blob/master/CHANGELOG.md#106---2020-11-18
https://www.mend.io/vulnerability-database/CVE-2020-26232

Severity Score

Weakness Type (CWE)

URL Redirection to Untrusted Site ('Open Redirect')

CWE-601

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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