CVE-2026-18857 — LOW (3.4) — White Hats Nepal

Q: How severe is CVE-2026-18857?

CVE-2026-18857 has been rated LOW with a CVSS base score of 3.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-18857?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Power System S1122 \(9824-22A\) Firmware, Ibm Power System S1122 \(9824-22A\), Ibm Power System S1124 \(9824-42A\) Firmware, Ibm Power System S1124 \(9824-42A\), Ibm Power System S1122S \(9824-22B\) Firmware.

Vulnerability 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.

CVSS Score

3.4

LOW

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Ibm	Power System S1122 \(9824-22A\) Firmware	>= fw1110.00, < fw1110.32
Ibm	Power System S1122 \(9824-22A\)	-
Ibm	Power System S1124 \(9824-42A\) Firmware	>= fw1110.00, < fw1110.32
Ibm	Power System S1124 \(9824-42A\)	-
Ibm	Power System S1122S \(9824-22B\) Firmware	>= fw1110.00, < fw1110.32
Ibm	Power System S1122S \(9824-22B\)	-
Ibm	Power System S1114 \(9824-41B\) Firmware	>= fw1110.00, < fw1110.32
Ibm	Power System S1114 \(9824-41B\)	-
Ibm	Power System L1122 \(9856-22H\) Firmware	>= fw1110.00, < fw1110.32
Ibm	Power System L1122 \(9856-22H\)	-
Ibm	Power System L1124 \(9856-42H\) Firmware	>= fw1110.00, < fw1110.32
Ibm	Power System L1124 \(9856-42H\)	-
Ibm	Power System E1150 \(9043-Mru\) Firmware	>= fw1110.00, < fw1110.32
Ibm	Power System E1150 \(9043-Mru\)	-
Ibm	Power System S1112 \(9242-21B\) Firmware	>= fw1120.00, < fw1120.02
Ibm	Power System S1112 \(9242-21B\)	-
Ibm	Power System S1112 \(9242-21T\) Firmware	>= fw1120.00, < fw1120.02
Ibm	Power System S1112 \(9242-21T\)	-
Ibm	Power System S1022 \(9105-22A\) Firmware	>= fw1060.00, < fw1060.82
Ibm	Power System S1022 \(9105-22A\)	-

Related Weaknesses (CWE)

CWE-125

References

https://www.ibm.com/support/pages/node/7289253PatchVendor Advisory

FAQ

What is CVE-2026-18857?

CVE-2026-18857 is a vulnerability with a CVSS score of 3.4 (LOW). 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...

How severe is CVE-2026-18857?

CVE-2026-18857 has been rated LOW with a CVSS base score of 3.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18857?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Power System S1122 \(9824-22A\) Firmware, Ibm Power System S1122 \(9824-22A\), Ibm Power System S1124 \(9824-42A\) Firmware, Ibm Power System S1124 \(9824-42A\), Ibm Power System S1122S \(9824-22B\) Firmware.