How severe is CVE-2023-34348?

CVE-2023-34348 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-34348 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34348?

CVE-2023-34348 primarily affects Aveva Pi Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-34348?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-34348 have an EU (EUVD) identifier?

Yes. CVE-2023-34348 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38428.

When was CVE-2023-34348 published?

CVE-2023-34348 was published on 2024-01-18 and last updated on 2026-06-17.

CVE-2023-34348

CVE-2023-34348 is a high-severity vulnerability in Aveva Pi Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-755.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-38428
Weakness: CWE-755
Affected product: Aveva Pi Server
Published: 2024-01-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-34348?: 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.
How severe is CVE-2023-34348?: CVE-2023-34348 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-34348 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34348?: CVE-2023-34348 primarily affects Aveva Pi Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-34348?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-34348 have an EU (EUVD) identifier?: Yes. CVE-2023-34348 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38428.
When was CVE-2023-34348 published?: CVE-2023-34348 was published on 2024-01-18 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-018-01

Affected products (4)

cpe:2.3:a:aveva:pi_server:*:*:*:*:*:*:*:*
cpe:2.3:a:aveva:pi_server:2018:-:*:*:*:*:*:*
cpe:2.3:a:aveva:pi_server:2018:sp3_patch_5:*:*:*:*:*:*
cpe:2.3:a:aveva:pi_server:2023:-:*:*:*:*:*:*

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