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Fencer Vulns
high 7.5

CVE-2023-34348 json

Improper Check or Handling of Exceptional Conditions in Aveva PI Server

published 2024-01-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38428

cvss
7.5
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

AVEVA PI Server versions 2023 and 2018 SP3 P05 and prior contain a vulnerability that could allow an unauthenticated user to remotely crash the PI Message Subsystem of a PI Server, resulting in a denial-of-service condition.

Patch / fix

  • aveva pi_server 2018

Vendor advisories

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

cisa ICSA-24-130-01 updated cvss 7.5

Rockwell Automation FactoryTalk Historian SE

  • Rockwell Automation FactoryTalk Historian SE <=v9.0
    affected: vendor fix, mitigation “Rockwell Automation has released product updates addressing this vulnerability:” idp.rockwellautomation.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

cisa ICSA-24-018-01 updated cvss 7.5

AVEVA PI Server

  • AVEVA PI Server 2023, <=2018_SP3_P05
    affected: vendor fix, mitigation “AVEVA recommends the following defensive measures:” my.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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

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 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Aveva PI Server

Classification

Weakness
  • CWE-703 Improper Check or Handling of Exceptional Conditions
  • CWE-754 Improper Check for Unusual or Exceptional Conditions
  • CWE-755 Improper Handling of Exceptional Conditions

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.