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Vulnerability record · CVE-2018-13787 · published 9 July 2018

CVE-2018-13787: Supermicro x11ssz firmware vulnerability

Supermicro · X11ssz Firmware

Certain Supermicro X11S, X10, X9, X8SI, K1SP, C9X299, C7, B1, A2, and A1 products have a misconfigured Descriptor Region, allowing OS programs to modify firmware.

6.7 CVSS 3.0 Medium EPSS 0.42% · top 65.9%
6.7CVSS 3.0 base score, v2 7.2
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
110Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Certain Supermicro X11S, X10, X9, X8SI, K1SP, C9X299, C7, B1, A2, and A1 products have a misconfigured Descriptor Region, allowing OS programs to modify firmware.

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

110 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.eclypsium.com/2018/06/07/firmware-vulnerabilities-in-supermicro-systems/ Third Party Advisory
https://www.bleepingcomputer.com/news/security/firmware-vulnerabilities-disclosed-in-supermicro-server-products/ Third Party Advisory
https://www.supermicro.com/support/security_Intel-SA-00088.cfm?pg=X10#tab Third Party Advisory
https://blog.eclypsium.com/2018/06/07/firmware-vulnerabilities-in-supermicro-systems/ Third Party Advisory
https://www.bleepingcomputer.com/news/security/firmware-vulnerabilities-disclosed-in-supermicro-server-products/ Third Party Advisory
https://www.supermicro.com/support/security_Intel-SA-00088.cfm?pg=X10#tab Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-13787), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.