CVE-2025-31935

Service interruption via unhandled crafted API data

Published Apr 11, 2025 · Updated Apr 11, 2025

Deserialization of untrusted data in SUBNET Solutions PowerSYSTEM Center 2020 5.24.x and earlier allows local users to interrupt service. The product API accepts crafted data that raises an exception, but SUBNET has not disclosed the affected endpoint, parser, or exception-handling path. Exploitation requires local access and can stop the application; no confidentiality or integrity impact is reported.

CVSS severity6.9
Medium
EPSS probability0.18%
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

Deserialization of untrusted data in SUBNET Solutions PowerSYSTEM Center 2020 5.24.x and earlier allows local users to interrupt service. The product API accepts crafted data that raises an exception, but SUBNET has not disclosed the affected endpoint, parser, or exception-handling path. Exploitation requires local access and can stop the application; no confidentiality or integrity impact is reported.

The record

CVE
CVE-2025-31935
Published
Apr 11, 2025
Updated
Apr 11, 2025
Vendor
SUBNET Solutions Inc.
Product
PowerSYSTEM Center
Classifications
CWE-502, T1499.004
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 11, 2025Record 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=0 <=5.24.x

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

SUBNET Solutions Inc. · PowerSYSTEM Centerversion=0 <=5.24.x

Published CVSS scores

6.2ICS-CERTCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.9ICS-CERTCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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.

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

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
T1499.004Application or System Exploitation

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