Every CVE Search/ Get API key

CVE-2023-3893

Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation

8.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.48%Up 2.4 points since Nov 4, 2023
90%50%10%1%

What each source reports

CVE List Score used 8.8

Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation

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.

Record
CVE-2023-3893
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
EUVDEUVD-2023-3024 8.8

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.

Record
EUVD-2023-3024
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-r6cc-7wj7-gfx2 8.8

Kubernetes csi-proxy vulnerable to privilege escalation due to improper input validation

Kubernetes is vulnerable to privilege escalation when 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.

Record
GHSA-r6cc-7wj7-gfx2
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
NVD 8.8

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.

Record
CVE-2023-3893
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
OSV 8.8

Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation

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.

Record
CVE-2023-3893
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
OSVDEBIAN-CVE-2023-3893 8.8

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.

Record
DEBIAN-CVE-2023-3893
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-r6cc-7wj7-gfx2 8.8

Kubernetes csi-proxy vulnerable to privilege escalation due to improper input validation

Kubernetes is vulnerable to privilege escalation when 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.

Record
GHSA-r6cc-7wj7-gfx2
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
OSVUBUNTU-CVE-2023-3893 8.8

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.

Record
UBUNTU-CVE-2023-3893
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGO-2023-2176 No score

Kubernetes csi-proxy vulnerable to privilege escalation due to improper input validation in github.com/kubernetes-csi/csi-proxy

Kubernetes csi-proxy vulnerable to privilege escalation due to improper input validation in github.com/kubernetes-csi/csi-proxy

Record
GO-2023-2176
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/kubernetes-csi/csi-proxy/v2
Go
 2.0.0-alpha.0 to 2.0.0-alpha.0
2.0.0-alpha.1
github.com/kubernetes-csi/csi-proxy
Go
 0.1.0-rc1 to 1.1.2
1.1.3
github.com/kubernetes-csi/csi-proxy
Go
 before 0.0.0-20230821192013-2523e6674ded
0.0.0-20230821192013-2523e6674ded
github.com/kubernetes-csi/csi-proxy
Go
 1.1.3-0 up to 1.1.3-0.20230821192013-2523e6674ded
1.1.3-0.20230821192013-2523e6674ded
kubernetes
Debian:12
 before 1.20.5+really1.20.2-1
1.20.5+really1.20.2-1
kubernetes
Debian:13
 before 1.20.5+really1.20.2-1
1.20.5+really1.20.2-1
kubernetes
Debian:14
 before 1.20.5+really1.20.2-1
1.20.5+really1.20.2-1
github.com/kubernetes-csi/csi-proxy/v2
Go
 2.0.0-alpha.0 up to 2.0.0-alpha.1
2.0.0-alpha.1
github.com/kubernetes-csi/csi-proxy
Go
 0.1.0-rc1 up to 1.1.3
1.1.3
github.com/kubernetes-csi/csi-proxy
Go
 before 1.1.3
1.1.3

History

History
RecordedChangedSources
affected
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-3893 is a high vulnerability (CVSS 8.8) in Kubernetes Csi-proxy, published November 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.48%, the 84th percentile. Fixed in github.com/kubernetes-csi/csi-proxy/v2 2.0.0-alpha.1.

References

Show 6 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open