CNCF K3s prior 1.32.4-rc1+k3s Configuration insecure default initialization of resource
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in CNCF K3s and classified as problematic. The impacted element is an unknown function of the component Configuration Handler. Performing a manipulation results in insecure default initialization of resource. This vulnerability is known as CVE-2025-46599. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.
Details
A vulnerability classified as problematic has been found in CNCF K3s. This affects an unknown part of the component Configuration Handler. The manipulation with an unknown input leads to a insecure default initialization of resource vulnerability. CWE is classifying the issue as CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. This is going to have an impact on confidentiality. The summary by CVE is:
CNCF K3s 1.32 before 1.32.4-rc1+k3s1 has a Kubernetes kubelet configuration change with the unintended consequence that, in some situations, ReadOnlyPort is set to 10255. For example, the default behavior of a K3s online installation might allow unauthenticated access to this port, exposing credentials.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-46599 since 04/25/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.
Upgrading to version 1.32.4-rc1+k3s eliminates this vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.2
VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 6.8
CNA Vector (MITRE): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Insecure default initialization of resourceCWE: CWE-1188
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: K3s 1.32.4-rc1+k3s
Timeline
04/25/2025 🔍04/25/2025 🔍
04/25/2025 🔍
04/25/2025 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2025-46599 (🔍)
GCVE (CVE): GCVE-0-2025-46599
GCVE (VulDB): GCVE-100-306225
Entry
Created: 04/25/2025 06:59Changes: 04/25/2025 06:59 (62)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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