CVE-2023-33411: A web server in the Intelligent Platform Management Interface (IPMI) baseboard management controller (BMC) imp
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HIGH 7.5REMOTEUPGRADEUPGRADEUPGRADE
CVE-2023-33411 is a high-severity flaw (CVSS 7.5) affecting m11sdv-4c-ln4f firmware, m11sdv-4ct-ln4f firmware, m11sdv-8c-ln4f firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
supermicro m11sdv-4c-ln4f firmware UPGRADE
Affected: <= 3.17.02
Fixed in: newer than 3.17.02
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
supermicro m11sdv-4ct-ln4f firmware UPGRADE
Affected: <= 3.17.02
Fixed in: newer than 3.17.02
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
supermicro m11sdv-8c-ln4f firmware UPGRADE
Affected: <= 3.17.02
Fixed in: newer than 3.17.02
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
supermicro m11sdv-8ct-ln4f firmware UPGRADE
Affected: <= 3.17.02
Fixed in: newer than 3.17.02
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
supermicro m11sdv-8c\+-ln4f firmware UPGRADE
Affected: <= 3.17.02
Fixed in: newer than 3.17.02
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
supermicro c9x299-pg firmware UPGRADE
Affected: <= 3.17.02
Fixed in: newer than 3.17.02
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official sourceNVD · CVE Program · Report a problem with this page Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-33411?
m11sdv-4c-ln4f firmware: upgrade to newer than 3.17.02; m11sdv-4ct-ln4f firmware: upgrade to newer than 3.17.02; m11sdv-8c-ln4f firmware: upgrade to newer than 3.17.02. Exact commands for each OS are on this page.
Is CVE-2023-33411 being exploited?
CVE-2023-33411 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-33411 affect?
CVE-2023-33411 affects m11sdv-4c-ln4f firmware, m11sdv-4ct-ln4f firmware, m11sdv-8c-ln4f firmware. Severity is high (CVSS 7.5). 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
How urgent is CVE-2023-33411?
Priority 49/100. High severity; Remotely exploitable, no login, no user action
Related CVEs
CVE-2023-33413HIGH 8.8UPGRADEUPGRADE The configuration functionality in the Intelligent Platform Management Interface (IPMI) baseboard management c
CVE-2023-33412HIGH 8.8UPGRADEUPGRADE The web interface in the Intelligent Platform Management Interface (IPMI) baseboard management controller (BMC
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