CVE-2023-42491Network attack vector

Authenticated unauthorized access

Published Oct 25, 2023 · Updated Sep 17, 2024

Improper authorization in EisBaer SCADA through 3.0.6433.1964 allows remote authenticated users to obtain unauthorized access via the network. The public advisory does not identify the affected component or the authorization operation that mishandles a request. The public record does not identify the required user role or resulting data and control access, so the consequence cannot be bounded more precisely.

CVSS severity8.8
High
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper authorization in EisBaer SCADA through 3.0.6433.1964 allows remote authenticated users to obtain unauthorized access via the network. The public advisory does not identify the affected component or the authorization operation that mishandles a request. The public record does not identify the required user role or resulting data and control access, so the consequence cannot be bounded more precisely.

The record

CVE
CVE-2023-42491
Published
Oct 25, 2023
Updated
Sep 17, 2024
Vendor
Alexander Maier GmbH
Product
EisBaer SCADA
Classifications
CWE-285
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=All versions <Upgrade to the latest version.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Alexander Maier GmbH · EisBaer SCADAversion=All versions <Upgrade to the latest version.

Published CVSS scores

8.8Israel National Cyber DirectorateCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.8NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper 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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo