CVE-2012-4856
The Service Processor in the IBM Power 5 91##-### and 940#-### before SF240_418_382 does not...
The Service Processor in the IBM Power 5 91##-### and 940#-### before SF240_418_382 does not ensure that firewall code is executed, which allows remote attackers to execute arbitrary code via unspecified vectors.
Exploit likelihood
What each source reports
NVD Score used
The Service Processor in the IBM Power 5 91##-### and 940#-### before SF240_418_382 does not ensure that firewall code is executed, which allows remote attackers to execute arbitrary code via unspecified vectors.
- Record
CVE-2012-4856- CVSS 2.0
- 7.9 High
AV:A/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
The Service Processor in the IBM Power 5 91##-### and 940#-### before SF240_418_382 does not ensure that firewall code is executed, which allows remote attackers to execute arbitrary code via unspecified vectors.
- Record
CVE-2012-4856- Updated
- 2026-11-02
EUVDEUVD-2012-4781 No score
The Service Processor in the IBM Power 5 91##-### and 940#-### before SF240_418_382 does not ensure that firewall code is executed, which allows remote attackers to execute arbitrary code via unspecified vectors.
- Record
EUVD-2012-4781- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-24q6-6vv9-w6vj No score
The Service Processor in the IBM Power 5 91##-### and 940#-### before SF240_418_382 does not...
The Service Processor in the IBM Power 5 91##-### and 940#-### before SF240_418_382 does not ensure that firewall code is executed, which allows remote attackers to execute arbitrary code via unspecified vectors.
- Record
GHSA-24q6-6vv9-w6vj- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-4856 is a high vulnerability (CVSS 7.9) in Ibm Power 5, published December 20, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. No source names a fixed version.