Is CVE-2021-36783 actively exploited?

No active exploitation of CVE-2021-36783 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-36783 be exploited remotely?

Yes. CVE-2021-36783 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-36783?

CVE-2021-36783 has a CVSS score of 9.9 (CRITICAL).

HOME VULNERABILITIESCVE-2021-36783

CRITICAL

CVE-2021-36783

CWE-522Published: September 7, 2022· Updated: Jun 17, 2026

9.9

CVSS v3.1

Official Description

A Insufficiently Protected Credentials vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners and Project Members to read credentials, passwords and API tokens that have been stored in cleartext and exposed via API endpoints. This issue affects: SUSE Rancher Rancher versions prior to 2.6.4; Rancher versions prior to 2.5.13.

NVD Source

Technical Analysis

CVE-2021-36783 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.9.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.