CVE-2026-81823

6.9 mediumEPSS 0.4%

Medium (6.9). EPSS 0.4% chance of exploitation in the next 30 days.

The vulnerability, if exploited, could allow an unauthenticated miscreant to perform read operations intended only for PIMBoards users, resulting in information disclosure. Write operations are not impacted.

Severity

CVSS 4.0

6.9 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.3 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-09-08
Modified: 2026-09-14
Record from: the NVD, synced 2026-10-19

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-253-01.json
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-006.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-26-253-01

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