How severe is CVE-2021-36783?

CVE-2021-36783 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-36783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36783?

CVE-2021-36783 affects Suse Rancher. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36783?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-36783 published?

CVE-2021-36783 was published on 2022-09-07 and last updated on 2026-06-17.

CVE-2021-36783

CVE-2021-36783 is a critical-severity vulnerability in Suse Rancher with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Suse Rancher
Published: 2022-09-07
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-36783?: 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.
How severe is CVE-2021-36783?: CVE-2021-36783 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-36783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36783?: CVE-2021-36783 affects Suse Rancher. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-36783 published?: CVE-2021-36783 was published on 2022-09-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*

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