CVE-2023-30768

Platform takeover via SmmRuntime access-control failure

Published May 12, 2023 · Updated Jan 24, 2025

Improper access control in S2600WTT BIOS 0016 allows local administrators to gain System Management Mode access and control the platform. Intel identifies SmmRuntime as the vulnerable function but does not disclose which access-control operation accepts malicious code. Exploitation requires local administrative access and user interaction; successful exploitation gives full control of the platform.

CVSS severity7.1
High
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in S2600WTT BIOS 0016 allows local administrators to gain System Management Mode access and control the platform. Intel identifies SmmRuntime as the vulnerable function but does not disclose which access-control operation accepts malicious code. Exploitation requires local administrative access and user interaction; successful exploitation gives full control of the platform.

The record

CVE
CVE-2023-30768
Published
May 12, 2023
Updated
Jan 24, 2025
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Server Board S2600WTT
Classifications
CWE-284, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. May 12, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=BIOS version 0016

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Topcon Positioning Systems, Inc. · Intel Server Board S2600WTTversion=BIOS version 0016

Published CVSS scores

7.1IntelCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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