High severity · published Nov 2, 2023
CVE-2023-5408
A privilege escalation flaw was found in the node restriction admission plugin of the kubernetes api server of OpenShift
7.2
CVSS
1.5%
EPSS
No
On KEV
Description
A privilege escalation flaw was found in the node restriction admission plugin of the kubernetes api server of OpenShift. A remote attacker who modifies the node role label could steer workloads from the control plane and etcd nodes onto different worker nodes and gain broader access to the cluster.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OC
Openshift Container Platform · Redhat
4.11; 4.12; 4.13; 4.14 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5408
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5408
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:5006
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:6130
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:6842
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:7479
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-5408
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2242173
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