CVE-2023-5056

Name: CVE-2023-5056
Creator: NVD / NIST
Published: 2023-12-18T14:15:10.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.1/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2023-5056 is a medium-severity vulnerability rated 4.1/10 on the CVSS scale. A flaw was found in the Skupper operator, which may permit a certain configuration to create a service account that would allow an authenticated attacker in the adjacent cluster to view deployments in all namespaces in the cluster. This issue permits unauthorized viewing of information outside of the user's purview.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

A flaw was found in the Skupper operator, which may permit a certain configuration to create a service account that would allow an authenticated attacker in the adjacent cluster to view deployments in all namespaces in the cluster. This issue permits unauthorized viewing of information outside of the user's purview.

Metrics

CVSS 3.1

4.1/10

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

EPSS Probability

0.27%

19.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Service Interconnect	1.0

References

https://access.redhat.com/errata/RHSA-2023:6219Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-5056Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2239517Issue Tracking
https://access.redhat.com/errata/RHSA-2023:6219Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-5056Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2239517Issue Tracking

Timeline

Published: Dec 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5056?

How severe is CVE-2023-5056?

CVE-2023-5056 has a CVSS score of 4.1/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5056?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5056?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST