CVE-2020-36191 — MEDIUM (4.5)

Vulnerability 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 Score

4.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Jupyter	Jupyterhub	1.1.0

Related Weaknesses (CWE)

CWE-352

References

https://github.com/jupyterhub/jupyterhub/issues/3304ExploitThird Party Advisory
https://github.com/jupyterhub/jupyterhub/releasesThird Party Advisory
https://github.com/jupyterhub/jupyterhub/issues/3304ExploitThird Party Advisory
https://github.com/jupyterhub/jupyterhub/releasesThird Party Advisory

FAQ

What is CVE-2020-36191?

CVE-2020-36191 is a vulnerability with a CVSS score of 4.5 (MEDIUM). 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).

How severe is CVE-2020-36191?

CVE-2020-36191 has been rated MEDIUM with a CVSS base score of 4.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-36191?

Check the references section above for vendor advisories and patch information. Affected products include: Jupyter Jupyterhub.