How severe is CVE-2022-21951?

CVE-2022-21951 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2022-21951 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21951?

CVE-2022-21951 affects Suse Rancher. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21951?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-21951 published?

CVE-2022-21951 was published on 2022-05-25 and last updated on 2026-06-17.

CVE-2022-21951

CVE-2022-21951 is a medium-severity vulnerability in Suse Rancher with a CVSS 3.x base score of 6.8. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 3.6
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Suse Rancher
Published: 2022-05-25
Last modified: 2026-06-17

Description

A Cleartext Transmission of Sensitive Information vulnerability in SUSE Rancher, Rancher allows attackers on the network to read and change network data due to missing encryption of data transmitted via the network when a cluster is created from an RKE template with the CNI value overridden This issue affects: SUSE Rancher Rancher versions prior to 2.5.14; Rancher versions prior to 2.6.5.

Frequently asked questions

What is CVE-2022-21951?: A Cleartext Transmission of Sensitive Information vulnerability in SUSE Rancher, Rancher allows attackers on the network to read and change network data due to missing encryption of data transmitted via the network when a cluster is created from an RKE template with the CNI value overridden This issue affects: SUSE Rancher Rancher versions prior to 2.5.14; Rancher versions prior to 2.6.5.
How severe is CVE-2022-21951?: CVE-2022-21951 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2022-21951 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21951?: CVE-2022-21951 affects Suse Rancher. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21951?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-21951 published?: CVE-2022-21951 was published on 2022-05-25 and last updated on 2026-06-17.

References

Affected products (1)

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

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