CVE-2023-4985Public exploit

Local authentication bypass via Project.xml manipulation

Published Sep 15, 2023 · Updated Aug 2, 2024

Improper authentication in SUPCON InPlant SCADA 20230901 allows local users to gain unauthorized access by altering Project.xml. The public record does not identify the function or authentication operation that consumes the altered file. Local access to the project file is required; published assessments bound the consequence to unauthorized access affecting protected SCADA data and operation.

CVSS severity7.8
High
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in SUPCON InPlant SCADA 20230901 allows local users to gain unauthorized access by altering Project.xml. The public record does not identify the function or authentication operation that consumes the altered file. Local access to the project file is required; published assessments bound the consequence to unauthorized access affecting protected SCADA data and operation.

The record

CVE
CVE-2023-4985
Published
Sep 15, 2023
Updated
Aug 2, 2024
Vendor
SUPCON Technology Co., Ltd.
Product
InPlant SCADA
Classifications
CWE-287, T1556
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 15, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=20230901

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

SUPCON Technology Co., Ltd. · InPlant SCADAversion=20230901

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
5.9VulDBCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
4.6VulDBAV:L/AC:L/Au:N/C:P/I:P/A:P
5.9VulDBCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-287Improper Authentication
T1556Modify Authentication Process

Public exploit references

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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