IBM PowerVM Hypervisor information disclosure
Priority LOW 24CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
IBM PowerVM Hypervisor FW950.00 through FW950.90, FW1020.00 through FW1020.40, and FW1030.00 through FW1030.30 could reveal sensitive partition data to a system administrator. IBM X-Force ID: 257135.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00374 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | PowerVM Hypervisor | FW950.00 – FW950.90; FW1020.00 – FW1020.40; FW1030.00 – FW1030.30 | — | No fix listed | CNA |
- PowerVM Hypervisor VendorIBM Affected FW950.00 – FW950.90; FW1020.00 – FW1020.40; FW1030.00 – FW1030.30 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:* | fw950 – fw950.90; fw1020.00 – fw1020.40; fw1030.00 – fw1030.30 | Vulnerable | IBM |
- cpe:2.3:o:ibm:powervm_hypervisor:*:*:*:*:*:*:*:* Versions fw950 – fw950.90; fw1020.00 – fw1020.40; fw1030.00 – fw1030.30 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-33851
- 2026-10-03 Alias added: GHSA-xf9p-vpmr-grq4
References
More IBM Powervm Hypervisor vulnerabilities
- TI-2022-15241 IBM Power FW security bypass CVSS 3.1CRITICAL 9.8
- TI-2023-14280 IBM PowerVM gain access CVSS 3.1CRITICAL 9.3
- TI-2021-16362 IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service… CVSS 3.1CRITICAL 9.1
- TI-2021-16363 IBM PowerVM Hypervisor FW860, FW940, FW950, and FW1010, through a specific sequence of VM… CVSS 3.1HIGH 7.5
- TI-2023-14281 IBM PowerVM Hypervisor denial of service CVSS 3.1HIGH 7.9
- TI-2023-10961 IBM PowerVM Hypervisor information disclosure CVSS 3.1HIGH 7.5
Sources
- CVE-2023-33851 · CVE Program
- CVE-2023-33851 · NVD
- FIRST EPSS
- GHSA-xf9p-vpmr-grq4 · GitHub Advisory Database · CC BY 4.0
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