Is CVE-2019-10255 in the CISA KEV catalog?

No. CVE-2019-10255 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-10255?

CVE-2019-10255 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2019-10255?

CVE-2019-10255 has an EPSS score of 1.74% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-10255?

Upgrade jupyter-notebook on debian 11 to 5.7.8-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-10255

MEDIUMEPSS 75th pctl

6.1

CVSS v3

NVD

Description

An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.7 and some browsers (Chrome, Firefox) in JupyterHub before 0.9.5 allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a base_url prefix are not affected.

CWE-601Open Redirect

How to fix

Remediation Available

jupyter-notebookDebian

Fixed in:5.7.8-1CVE-2019-10255

jupyter-notebookUbuntu

Fixed in:5.2.2-1ubuntu0.1USN-5585-1

Fixed in:6.0.3-2ubuntu0.1USN-5585-1

Fixed in:6.4.8-1ubuntu0.1USN-5585-1

python-notebookUbuntu

Fixed in:5.2.2-1ubuntu0.1USN-5585-1

python3-notebookUbuntu

Fixed in:5.2.2-1ubuntu0.1USN-5585-1

Fixed in:6.0.3-2ubuntu0.1USN-5585-1

Fixed in:6.4.8-1ubuntu0.1USN-5585-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

1.74%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch4

Vendor Advisory1

blog.jupyter.org

Other references2

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.