How severe is CVE-2023-33411?

CVE-2023-33411 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-33411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33411?

CVE-2023-33411 primarily affects Supermicro M11sdv-4c-ln4f Firmware. In total, 362 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33411?

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

When was CVE-2023-33411 published?

CVE-2023-33411 was published on 2023-12-07 and last updated on 2026-07-09.

CVE-2023-33411

CVE-2023-33411 is a high-severity vulnerability in Supermicro M11sdv-4c-ln4f Firmware with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Supermicro M11sdv-4c-ln4f Firmware
Published: 2023-12-07
Last modified: 2026-07-09

Description

A web server in the Intelligent Platform Management Interface (IPMI) baseboard management controller (BMC) implementation on Supermicro X11 and M11 based devices, with firmware versions up to 3.17.02, allows remote unauthenticated users to perform directory traversal, potentially disclosing sensitive information.

Frequently asked questions

What is CVE-2023-33411?: A web server in the Intelligent Platform Management Interface (IPMI) baseboard management controller (BMC) implementation on Supermicro X11 and M11 based devices, with firmware versions up to 3.17.02, allows remote unauthenticated users to perform directory traversal, potentially disclosing sensitive information.
How severe is CVE-2023-33411?: CVE-2023-33411 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-33411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33411?: CVE-2023-33411 primarily affects Supermicro M11sdv-4c-ln4f Firmware. In total, 362 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33411?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-33411 published?: CVE-2023-33411 was published on 2023-12-07 and last updated on 2026-07-09.

References

https://www.supermicro.com/en/support/security_BMC_Dec_2023

Affected products (362)

cpe:2.3:o:supermicro:m11sdv-4c-ln4f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:m11sdv-4ct-ln4f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:m11sdv-8c-ln4f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:m11sdv-8ct-ln4f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:m11sdv-8c\+-ln4f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:c9x299-pg_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:c9x299-pg300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:c9x299-pg300f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:c9x299-pgf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:c9x299-pgf-l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:c9x299-rpgf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:c9x299-rpgf-l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:b13dee_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:b13det_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:b13see-cpu-25g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:b13seg_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13dsg-o-cpu_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13dsg-o-cpu-d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13dsg-om_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13dsh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13sae-mf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13sra-f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13sra-tf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13srd-f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13ssf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13ssh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13ssl-n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13ssl-nt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13sst-g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13sst-gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13ssw_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13svw-n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:supermicro:h13svw-nt_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:x13deh_firmware:*:*:*:*:*:*:*:*

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