4.5

CVE-2020-36191: jupyter jupyterhub Cross-Site Request Forgery (CSRF)

CVSS: 4.5v3.1MediumModified
AliasesGHSA-7xx3-qp5w-fw96BIT-jupyterhub-2020-36191PYSEC-2021-67
Published 13-01-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-36191 is a medium (CVSS 4.5) Cross-Site Request Forgery (CSRF) vulnerability in jupyter jupyterhub. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.51%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 13-01-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

JupyterHub 1.1.0 allows CSRF in the admin panel via a request that lacks an _xsrf field, as demonstrated by a /hub/api/user request (to add or remove a user account).

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

0.51%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

+0.01 pp

From 0.50% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Jupyterhub

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • jupyterhub< 3.0.0+ds1-1
Jupyter1 product
PyPI1 product
  • jupyterhub< 1.2.0b1
Ubuntu1 product
  • jupyterhubAll versions (No fix recorded)

4 vendors · 4 products

References

9 links