CVE-2023-40287
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn issue was discovered on Supermicro X11SSM-F, X11SAE-F, and X11SSE-F 1.66 devices. An attacker could exploit an XSS issue.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · low confidenceCross-site scripting (XSS) vulnerability in Supermicro X11SSM-F, X11SAE-F, and X11SSE-F firmware version 1.66 allows remote attackers to inject malicious scripts through vulnerable input fields. The high CVSS score (8.3) indicates significant potential impact on users of the affected web interface.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 1.66= 1.66= 1.66CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- High
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
-
Identify the exact firmware versionAccess the Supermicro web interface (BMC/IPMI) and navigate to the Firmware Update or System Information page, or use IPMI command: ipmitool -I lanplus -H <bmc_ip> -U <user> -P <pass> mc infoAffected if The firmware version displayed is exactly 1.66 for X11SSM-F, X11SAE-F, or X11SSE-F models
-
Confirm the BMC web interface is enabledCheck if the web-based management interface is accessible by navigating to the BMC IP address over HTTP/HTTPS in a browser, or verify the HTTP/HTTPS service is running on the BMCAffected if The BMC web interface is accessible and responds to HTTP/HTTPS requests
-
Identify vulnerable input fieldsLog into the BMC web interface and examine forms in sections such as User Management, Network Settings, or other input-enabled pages for lack of input sanitization indicatorsAffected if User-accessible input fields exist in the web interface without proper output encoding or input validation (note: direct exploitation is discouraged; version check is primary)
You are affected if your Supermicro X11SSM-F, X11SAE-F, or X11SSE-F device runs firmware version 1.66 and has the BMC web interface enabled and accessible.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor-supplied firmware updates when available; prior to patching, implement output encoding and input validation on web interfaces, and consider network segmentation to limit exposure to untrusted networks.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-40287 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-40287 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data