How severe is CVE-2023-35861?

CVE-2023-35861 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-35861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-35861?

CVE-2023-35861 primarily affects Supermicro H12dst-b Firmware. In total, 166 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-35861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-35861 published?

CVE-2023-35861 was published on 2023-07-31 and last updated on 2026-06-17.

CVE-2023-35861

CVE-2023-35861 is a critical-severity vulnerability in Supermicro H12dst-b Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Supermicro H12dst-b Firmware
Published: 2023-07-31
Last modified: 2026-06-17

Description

A shell-injection vulnerability in email notifications on Supermicro motherboards (such as H12DST-B before 03.10.35) allows remote attackers to inject execute arbitrary commands as root on the BMC.

Frequently asked questions

What is CVE-2023-35861?: A shell-injection vulnerability in email notifications on Supermicro motherboards (such as H12DST-B before 03.10.35) allows remote attackers to inject execute arbitrary commands as root on the BMC.
How severe is CVE-2023-35861?: CVE-2023-35861 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-35861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-35861?: CVE-2023-35861 primarily affects Supermicro H12dst-b Firmware. In total, 166 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-35861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-35861 published?: CVE-2023-35861 was published on 2023-07-31 and last updated on 2026-06-17.

References

Affected products (166)

cpe:2.3:o:supermicro:h12dst-b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13dai-t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13ddw-a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13deg-oa_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13deg-oad_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13deg-pvc_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13deg-qt_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13dei_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13dei-t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13dem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13det-b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13dgu_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13dsf-a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13qeh\+_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sae_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sae-f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13san-c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13san-c-wohs_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13san-e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13san-e-wohs_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13san-h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13san-h-wohs_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13san-l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13san-l-wohs_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13saq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sav-lvds_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sav-ps_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13saz-f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13saz-q_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sedw-f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13seed-f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13seed-sf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sefr-a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sei-f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sei-tf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sem-f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sem-tf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13set-g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13set-gc_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:x13sew-f_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Supermicro H12dst-b Firmware

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CVE-2023-34853 — High (CVSS 7.8): Buffer Overflow vulnerability in Supermicro motherboard X12DPG-QR 1.4b allows local attackers to hijack control flow…
CVE-2023-33411 — High (CVSS 7.5): A web server in the Intelligent Platform Management Interface (IPMI) baseboard management controller (BMC)…
CVE-2022-43309 — Medium (CVSS 5.5): Supermicro X11SSL-CF HW Rev 1.01, BMC firmware v1.63 was discovered to contain insecure permissions.

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