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CVE-2026-18857

LOWCVSS 3.4/10EPSS 0.11%

Last modified

CVE-2026-18857 is a low-severity vulnerability rated 3.4/10 on the CVSS scale. IBM OPENBMC FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the BMC firmware management interface. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

IBM OPENBMC FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the BMC firmware management interface. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.

Metrics

CVSS 3.1
3.4/10

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

EPSS Probability
0.11%

1.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmPower System S1122 \(9824-22a\) Firmware>= fw1110.00, < fw1110.32
IbmPower System S1122 \(9824-22a\) Firmware>= fw1120.00, < fw1120.02
IbmPower System S1124 \(9824-42a\) Firmware>= fw1110.00, < fw1110.32
IbmPower System S1124 \(9824-42a\) Firmware>= fw1120.00, < fw1120.02
IbmPower System S1122s \(9824-22b\) Firmware>= fw1110.00, < fw1110.32
IbmPower System S1122s \(9824-22b\) Firmware>= fw1120.00, < fw1120.02
IbmPower System S1114 \(9824-41b\) Firmware>= fw1110.00, < fw1110.32
IbmPower System S1114 \(9824-41b\) Firmware>= fw1120.00, < fw1120.02
IbmPower System L1122 \(9856-22h\) Firmware>= fw1110.00, < fw1110.32
IbmPower System L1122 \(9856-22h\) Firmware>= fw1120.00, < fw1120.02
IbmPower System L1124 \(9856-42h\) Firmware>= fw1110.00, < fw1110.32
IbmPower System L1124 \(9856-42h\) Firmware>= fw1120.00, < fw1120.02
IbmPower System E1150 \(9043-Mru\) Firmware>= fw1110.00, < fw1110.32
IbmPower System E1150 \(9043-Mru\) Firmware>= fw1120.00, < fw1120.02
IbmPower System S1112 \(9242-21b\) Firmware>= fw1120.00, < fw1120.02
IbmPower System S1112 \(9242-21t\) Firmware>= fw1120.00, < fw1120.02
IbmPower System S1022 \(9105-22a\) Firmware>= fw1060.00, < fw1060.82
IbmPower System S1024 \(9105-42a\) Firmware>= fw1060.00, < fw1060.82
IbmPower System S1022s \(9105-22b\) Firmware>= fw1060.00, < fw1060.82
IbmPower System S1014 \(9105-41b\) Firmware>= fw1060.00, < fw1060.82
IbmPower System L1022 \(9786-22h\) Firmware>= fw1060.00, < fw1060.82
IbmPower System L1024 \(9786-42h\) Firmware>= fw1060.00, < fw1060.82
IbmPower System E1050 \(9043-Mrx\) Firmware>= fw1060.00, < fw1060.82
IbmPower System S1012 \(9028-21b\) Firmware>= fw1060.00, < fw1060.82

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-18857?
IBM OPENBMC FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the BMC firmware management interface. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.
How severe is CVE-2026-18857?
CVE-2026-18857 has a CVSS score of 3.4/10 (LOW severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-18857?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST