CVE-2024-23816Network attack vector

Administrative access via hard-coded HMAC secret

Published Feb 13, 2024 · Updated May 9, 2025

Use of hard-coded credentials in Siemens Location Intelligence before 4.3 allows remote attackers to gain full administrative access. The application computes a keyed-hash message authentication code with a hard-coded secret value, allowing forged authentication material to be accepted. No credentials or user interaction are required, and successful exploitation grants control over application data and administrative functions.

CVSS severity9.3
Critical
EPSS probability0.73%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use of hard-coded credentials in Siemens Location Intelligence before 4.3 allows remote attackers to gain full administrative access. The application computes a keyed-hash message authentication code with a hard-coded secret value, allowing forged authentication material to be accepted. No credentials or user interaction are required, and successful exploitation grants control over application data and administrative functions.

The record

CVE
CVE-2024-23816
Published
Feb 13, 2024
Updated
May 9, 2025
Vendor
Siemens
Product
Location Intelligence
Classifications
CWE-798, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 13, 2024CVE publishedPublication date reported by the CVE source.
  2. May 9, 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=0 <V4.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Siemens · Location Intelligenceversion=0 <V4.3

Published CVSS scores

9.8INCIBE-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3Siemens ProductCERTCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-798Use of Hard-coded Credentials
T1190Exploit Public-Facing Application

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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