How severe is CVE-2018-13787?

CVE-2018-13787 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-13787 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13787?

CVE-2018-13787 primarily affects Supermicro X11ssz Firmware. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-13787?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-13787 published?

CVE-2018-13787 was published on 2018-07-09 and last updated on 2026-06-17.

CVE-2018-13787

CVE-2018-13787 is a medium-severity vulnerability in Supermicro X11ssz Firmware with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 7.2
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Supermicro X11ssz Firmware
Published: 2018-07-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-13787?: 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.
How severe is CVE-2018-13787?: CVE-2018-13787 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-13787 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13787?: CVE-2018-13787 primarily affects Supermicro X11ssz Firmware. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-13787?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-13787 published?: CVE-2018-13787 was published on 2018-07-09 and last updated on 2026-06-17.

References

Affected products (110)

cpe:2.3:o:supermicro:x11ssz_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11ssv_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11ssql_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11ssq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11ssn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11srm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11sra_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11sba_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11sat_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11sae_m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x11sae_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10srw_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10srm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10srl_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10sri_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10srh_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10srg_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10srd_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10sra_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10sdvt_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10sdvf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10sde_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10sddf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10sba_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10qrh_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10dsn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10dscp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10dsc_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drwn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drw_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drux_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drul_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10dru_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drts_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drtps_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drtl_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drth_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drtb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x10drt_firmware:-:*:*:*:*:*:*:*

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