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CVE-2012-4856

7.9 · HIGH

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 unspe…

Published Dec 20, 2012ibmCWE-255EPSS 1.17%

Overview

CVE-2012-4856 is a high-severity vulnerability affecting ibm power_5_system_firmware. It was published on December 20, 2012 and has a CVSS 2.0 base score of 7.9 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from ibm. Update power_5_system_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
ibmpower_5_system_firmware0Affected

References

Refaix.software.ibm.com/aix/efixes/security/squadrons_advisory.ascRefwww.kb.cert.org/vuls/id/194604Refexchange.xforce.ibmcloud.com/vulnerabilities/79736Refaix.software.ibm.com/aix/efixes/security/squadrons_advisory.ascRefwww.kb.cert.org/vuls/id/194604Refexchange.xforce.ibmcloud.com/vulnerabilities/79736

How CyberStrike helps

Frequently asked questions

What is CVE-2012-4856?

CVE-2012-4856 is a high-severity vulnerability affecting ibm power_5_system_firmware. It was published on December 20, 2012 and has a CVSS 2.0 base score of 7.9 (HIGH).

How severe is CVE-2012-4856?

This vulnerability has a CVSS 2.0 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-4856?

Check the references section for vendor advisories and patches from ibm. Update power_5_system_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-4856?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-4856 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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