CVE-2023-30438

highpriority · track · 35EPSS 0.002 · 15 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.24% (15th) EPSS

CVSS 8.8 · high

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

An internally discovered vulnerability in PowerVM on IBM Power9 and Power10 systems could allow an attacker with privileged user access to a logical partition to perform an undetected violation of the isolation between logical partitions which could lead to data leakage or the execution of arbitrary code in other logical partitions on the same physical server. IBM X-Force ID: 252706.

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.3

v3.18.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2 · impact 6

v3.19.3criticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.3criticalCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · psirt@us.ibm.com USexploitability 2.5 · impact 6

v3.18.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269USLLM-inferred

affected products (8)

Products and version ranges known to be affected.

IBM PowerVM Hypervisor≤ FW1030.00 ≤FW1030.10enisa_euvdEU
IBM PowerVM Hypervisor≤ FW1020.00 ≤FW1020.30enisa_euvdEU
IBM PowerVM Hypervisor≤ FW1010.00 ≤FW1010.50enisa_euvdEU
IBM PowerVM Hypervisor≤ FW950.00 ≤FW950.70enisa_euvdEU
ibm powervm hypervisorfw1010.00 → fw1010.51nvdUScpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:*
ibm powervm hypervisorfw1020.00 → fw1020.31nvdUScpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:*
ibm powervm hypervisorfw1030.00 → fw1030.11nvdUScpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:*
ibm powervm hypervisorfw950 → fw950.71nvdUScpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-05-17modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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