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Fencer Vulns
low 3.1

CVE-2021-43553 json

OSIsoft PI Vision

published 2021-11-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30482

cvss
3.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

PI Vision could disclose information to a user with insufficient privileges for an AF attribute that is the child of another attribute and is configured as a Limits property.

Patch / fix

  • osisoft pi_vision 2021

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-313-05 updated cvss 3.1

OSIsoft PI Vision

  • OSIsoft LLC PI Vision < 2021
    affected: mitigation “OSIsoft recommends upgrading to PI vision 2021. Information can be found in the OSIsoft PI Vision security bulletin (registration required).” customers.osisoft.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • OSIsoft PI Vision

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.