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CVE-2023-32187

HIGH
7.5
CVSS Score
Published: September 18, 2023 at 12:04 PM UTC
Updated: June 17, 2026 at 05:58 AM UTC
1 product affected across 1 vendorK3s

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

An Allocation of Resources Without Limits or Throttling vulnerability in SUSE k3s allows attackers with access to K3s servers' apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects k3s: from v1.24.0 before v1.24.17+k3s1, from v1.25.0 before v1.25.13+k3s1, from v1.26.0 before v1.26.8+k3s1, from sev1.27.0 before v1.27.5+k3s1, from v1.28.0 before v1.28.1+k3s1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

K3s· K3S
95%
1.24.0 ≤ v < 1.24.17+k3s11.25.0 ≤ v < 1.25.13+k3s11.26.0 ≤ v < 1.26.8+k3s11.27.0 ≤ v < 1.27.5+k3s11.28.0 ≤ v < 1.28.1+k3s1sev1.27.0 ≤ v < v1.27.5+k3s1v1.24.0 ≤ v < v1.24.17+k3s1v1.25.0 ≤ v < v1.25.13+k3s1v1.26.0 ≤ v < v1.26.8+k3s1v1.28.0 ≤ v < v1.28.1+k3s11.24.01.25.01.26.01.27.01.28.0sev1.27.0
Affected range stops below 1.24.17+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.25.13+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.26.8+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.27.5+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.28.1+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below v1.24.17+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below v1.25.13+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below v1.26.8+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below v1.27.5+k3s1, so it looks safe — our inference, not a vendor statement
Affected range stops below v1.28.1+k3s1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Broken Link
Source: [email protected]
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32187https://
MitigationVendor Advisory
Source: [email protected]
https://github.com/k3s-io/k3s/security/advisories/GHSA-m4hf-6vgr-75r2

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHsuse
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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