CVE-2020-26232

low-risk
Published 2020-11-24

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.

Do I need to act?

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0.23% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.1/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Jupyter Server

Affected Vendors

Jupyter

References (6)

Release Notes https://github.com/jupyter-server/jupyter_server/blob/master/CHANGELOG.md#106---...
Patch https://github.com/jupyter-server/jupyter_server/commit/3d83e49090289c431da253e2...
Third Party Advisory https://github.com/jupyter/jupyter_server/security/advisories/GHSA-grfj-wjv9-4f9...
Release Notes https://github.com/jupyter-server/jupyter_server/blob/master/CHANGELOG.md#106---...
Patch https://github.com/jupyter-server/jupyter_server/commit/3d83e49090289c431da253e2...
Third Party Advisory https://github.com/jupyter/jupyter_server/security/advisories/GHSA-grfj-wjv9-4f9...
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal