Kubernetes CSI Proxy input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Kubernetes. This issue affects some unknown processing of the component CSI Proxy. Executing a manipulation can lead to input validation. This vulnerability appears as CVE-2023-3893. There is no available exploit.

Detailsinfo

A vulnerability was found in Kubernetes (Virtualization Software) (affected version unknown). It has been declared as critical. This vulnerability affects an unknown functionality of the component CSI Proxy. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes running kubernetes-csi-proxy may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy.

The weakness was presented 08/23/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2023-3893 since 07/24/2023. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/24/2023 🔍
08/23/2023 +30 days 🔍
08/23/2023 +0 days 🔍
08/01/2025 +709 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2023-3893 (🔍)
GCVE (CVE): GCVE-0-2023-3893
GCVE (VulDB): GCVE-100-237868

Entryinfo

Created: 08/23/2023 17:13
Updated: 08/01/2025 04:52
Changes: 08/23/2023 17:13 (35), 08/01/2025 04:52 (37)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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