CVE-2020-25167Network attack vector

Restricted AF attribute disclosure

Published Apr 18, 2022 · Updated Apr 16, 2025

Incorrect authorization in OSIsoft PI Vision before 3.5.0 allows remote authenticated users to read restricted AF attribute data. The public advisory identifies AF attribute access as the affected locus but does not disclose the request handler or faulty authorization operation. Exploitation requires an authenticated account with privileges insufficient for the targeted attribute and results only in unauthorized data disclosure.

CVSS severity4.9
Medium
EPSS probability0.75%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in OSIsoft PI Vision before 3.5.0 allows remote authenticated users to read restricted AF attribute data. The public advisory identifies AF attribute access as the affected locus but does not disclose the request handler or faulty authorization operation. Exploitation requires an authenticated account with privileges insufficient for the targeted attribute and results only in unauthorized data disclosure.

The record

CVE
CVE-2020-25167
Published
Apr 18, 2022
Updated
Apr 16, 2025
Vendor
AVEVA
Product
AVEVA PI Vision
Classifications
CWE-863, T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 18, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 16, 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=unspecified <2020

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

AVEVA · AVEVA PI Visionversion=unspecified <2020

Published CVSS scores

6.5NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.9ICS-CERTCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.0NVDAV:N/AC:L/Au:S/C:P/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.

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-863Incorrect Authorization
T1213Data from Information Repositories

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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