CVE-2023-5528

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

3.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.4% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-11-14 20:32Z2 YR AGO

Last updated

2026-02-25 17:20Z6 MO AGO

Reserved

2023-10-11

Assigning CNA

kubernetes

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

c4d4680e13404164c0b8740275a0516f6e8d690e86e9bd101df2902778fbde5c

• github.comhttps://github.com/kubernetes/kubernetes/issues/121879issue-tracking
• groups.google.comhttps://groups.google.com/g/kubernetes-security-announce/c/SL_d4NR8pzAmailing-list
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XZIX727JIKF5RQW7RVVBLWXBCDIBJA7/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7MPGMITSZXUCAVO7Q75675SOLXC2XXU4/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3JH444PWZBINXLLFV7XLIJIZJHSK6UEZ/
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20240119-0009/