CVE-2025-36539Network attack vector

Authenticated subsystem shutdown via uncaught exception

Published Jun 12, 2025 · Updated Jun 12, 2025

Uncaught exception in AVEVA PI Data Archive 2023 and 2023 Patch 1 allows remote authenticated users to shut down required subsystems. AVEVA has not disclosed the affected code locus, the malformed input, or the operation that leaves the exception uncaught. Exploitation requires authenticated network access and interrupts archive availability by stopping necessary subsystems, with no reported data disclosure or modification.

CVSS severity7.1
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncaught exception in AVEVA PI Data Archive 2023 and 2023 Patch 1 allows remote authenticated users to shut down required subsystems. AVEVA has not disclosed the affected code locus, the malformed input, or the operation that leaves the exception uncaught. Exploitation requires authenticated network access and interrupts archive availability by stopping necessary subsystems, with no reported data disclosure or modification.

The record

CVE
CVE-2025-36539
Published
Jun 12, 2025
Updated
Jun 12, 2025
Vendor
AVEVA
Product
PI Server
Classifications
CWE-248, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 12, 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=2023 <=2018 SP3 Patch 6
  2. Affected versionversion=2023 Patch 1 <=2018 SP3 Patch 6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

AVEVA · PI Serverversion=2023 <=2018 SP3 Patch 6; version=2023 Patch 1 <=2018 SP3 Patch 6
AVEVA · PI Data Archiveversion=2023 <=2018 SP3 Patch 4; version=2023 Patch 1

Published CVSS scores

7.1AVEVACVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.5AVEVACVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 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-248Uncaught Exception
T1499Endpoint Denial of Service

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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