CVE-2023-35765Network attack vector

Administrator credential disclosure via plaintext file storage

Published Jul 6, 2023 · Updated Oct 24, 2024

Plaintext password storage in PiiGAB M-Bus SoftwarePack 900S allows remote authenticated users to obtain administrator credentials. The affected gateway software stores credentials in a plaintext file readable by a low-privileged account instead of protecting the stored secrets. Low-level access is required, and the published assessment reports credential disclosure without direct integrity or availability impact.

CVSS severity6.5
Medium
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Plaintext password storage in PiiGAB M-Bus SoftwarePack 900S allows remote authenticated users to obtain administrator credentials. The affected gateway software stores credentials in a plaintext file readable by a low-privileged account instead of protecting the stored secrets. Low-level access is required, and the published assessment reports credential disclosure without direct integrity or availability impact.

The record

CVE
CVE-2023-35765
Published
Jul 6, 2023
Updated
Oct 24, 2024
Vendor
PiiGAB
Product
M-Bus SoftwarePack
Classifications
CWE-256, T1555
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 24, 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=900S

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

PiiGAB · M-Bus SoftwarePackversion=900S

Published CVSS scores

6.5CISA ICS-CERTCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A: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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-256Plaintext Storage of a Password
T1555Credentials from Password Stores

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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