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Fencer Vulns
medium 6.8

CVE-2023-5056 json

Skupper-operator: privelege escalation via config map

published 2023-12-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57399

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

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.

Patch / fix

  • Red Hat Service Interconnect 1 for RHEL 9 1.4.3-4, 1.4.3-5, 1.4.3-6, 2.4.3-3

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-5056 updated cvss 6.8

skupper-operator: privelege escalation via config map

  • Red Hat Service Interconnect 1 service-interconnect/skupper-router-rhel9 2.4.3-3, service-interconnect/skupper-operator-bundle 1.4.3-6, service-interconnect/skupper-config-sync-rhel9 1.4.3-5, service-interconnect/skupper-flow-collector-rhel9 1.4.3-5, service-interconnect/skupper-site-controller-rhel9 1.4.3-6, service-interconnect/skupper-service-controller-rhel9 1.4.3-4
    fixed: vendor fix RHSA-2023:6219

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
NVD 3.1 4.1 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Affected products

  • Red Hat Service Interconnect 1 for RHEL 9

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.