CVE-2023-43609

Data disclosure or service interruption via improper authorization

Published Feb 9, 2024 · Updated Jun 10, 2025

Improper authorization in Emerson Rosemount XA gas chromatographs 4.1.5 and earlier allows remote attackers to disclose data or interrupt service. Emerson has not published the affected interface or the authorization check that mishandles unauthenticated requests. An attacker must reach the appliance from an adjacent network; the reported consequences are sensitive-information access or service interruption.

CVSS severity6.9
Medium
EPSS probability0.47%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Emerson Rosemount XA gas chromatographs 4.1.5 and earlier allows remote attackers to disclose data or interrupt service. Emerson has not published the affected interface or the authorization check that mishandles unauthenticated requests. An attacker must reach the appliance from an adjacent network; the reported consequences are sensitive-information access or service interruption.

The record

CVE
CVE-2023-43609
Published
Feb 9, 2024
Updated
Jun 10, 2025
Vendor
Emerson Electric Co.
Product
Rosemount 370XA Gas Chromatograph
Classifications
CWE-863
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 9, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 10, 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 <=Version 4.1.5

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Emerson Electric Co. · Rosemount 370XA Gas Chromatographversion=0 <=Version 4.1.5
Emerson Electric Co. · Rosemount 1500XA Gas Chromatographversion=0 <=Version 4.1.5
Emerson Electric Co. · Rosemount 700XA Gas Chromatographversion=0 <=Version 4.1.5

Published CVSS scores

9.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.9ICS-CERTCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/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 11, 2026Sep 17, 2026
Latest reporting daySep 17, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization

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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