CVE-2023-40285

An issue was discovered on Supermicro X11SSM-F, X11SAE-F, and X11SSE-F 1.66 devices. An attacker could exploit an XSS issue.

Published: 2024-03-27 Last update: 2025-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-40285 is rated Moderate Risk (42.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.25%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-40285

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-30 0.26% 0.25% -0.01%
2 2026-01-18 0.25% 0.26% +0.01%
3 2025-11-21 0.25%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-40285

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
3.9 2.5 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-40285

Affected software / configurations for CVE-2023-40285

Vendor Product Version Raw CPE
supermicro x11ssm-f_firmware 1.66 cpe:2.3:o:supermicro:x11ssm-f_firmware:1.66:*:*:*:*:*:*:*
supermicro x11sae-f_firmware 1.66 cpe:2.3:o:supermicro:x11sae-f_firmware:1.66:*:*:*:*:*:*:*
supermicro x11sse-f_firmware 1.66 cpe:2.3:o:supermicro:x11sse-f_firmware:1.66:*:*:*:*:*:*:*

References for CVE-2023-40285

cvelogic Threat Intelligence