CVE-2023-35123Network attack vector

Authenticated service interruption via uncaught exception

Published Aug 14, 2024 · Updated Aug 14, 2024

An uncaught exception in Intel OpenBMC Firmware before egs-1.14-0 or bhs-0.27 allows remote authenticated users to interrupt service. Intel has not disclosed the affected request handler or the exceptional input that escapes its error handling. Network access and an authenticated firmware account are required; the resulting impact is limited to availability.

CVSS severity5.9
Medium
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An uncaught exception in Intel OpenBMC Firmware before egs-1.14-0 or bhs-0.27 allows remote authenticated users to interrupt service. Intel has not disclosed the affected request handler or the exceptional input that escapes its error handling. Network access and an authenticated firmware account are required; the resulting impact is limited to availability.

The record

CVE
CVE-2023-35123
Published
Aug 14, 2024
Updated
Aug 14, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel OpenBMC Firmware
Classifications
CWE-600, T1499.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2024Record 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=before versions egs-1.14-0, bhs-0.27

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel OpenBMC Firmwareversion=before versions egs-1.14-0, bhs-0.27

Published CVSS scores

5.9Intel CorporationCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
4.3Intel CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

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)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-600Uncaught Exception in Servlet
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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