PatchSiren cyber security CVE debrief
CVE-2026-81821 AVEVA CVE debrief
A vulnerability in an unspecified product could allow an attacker with read access to PIMBoards project files to decrypt and view sensitive information. The CVSS score is 8.3, indicating high severity. The CVE was published on 2026-09-08T18:20:57.420Z and last modified on 2026-09-11T15:17:05.390Z. Defenders should assess exposure and potential impact of sensitive information disclosure due to this high-severity vulnerability. The affected product and versions are not specified, making it difficult to assess the full impact.
- Vendor
- AVEVA
- Product
- Pipeline Integrity Monitor
- CVSS
- HIGH 8.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-08
- Original CVE updated
- 2026-09-11
- Advisory published
- 2026-09-08
- Advisory updated
- 2026-09-11
Who should care
Defenders responsible for PIMBoards project files and sensitive information security should assess exposure and potential impact. Operators, platform administrators, vulnerability management teams, and security teams may be impacted by this vulnerability. They should review access controls and permissions for PIMBoards project files and plan vendor-supported updates or mitigations where exposure is confirmed.
Why it matters
Defenders should prioritize verifying exposure of PIMBoards project files and assessing the potential impact of sensitive information disclosure due to a high-severity vulnerability.
- Potential decryption and viewing of sensitive information
- Possible unauthorized access to PIMBoards project files
Technical summary
The vulnerability, if exploited, could allow a miscreant with read access to PIMBoards project files to decrypt and view sensitive information. The CVSS score is 8.3, indicating high severity. The affected product and versions are not specified, making it difficult to assess the full impact. Defenders should prioritize verifying exposure of PIMBoards project files and assessing the potential impact of sensitive information disclosure due to this high-severity vulnerability. The official CVE Program record and NIST NVD detail page provide additional information.
Defensive priority
Defenders should prioritize verifying exposure of PIMBoards project files and assessing the potential impact of sensitive information disclosure.
Recommended defensive actions
- Verify exposure of PIMBoards project files to unauthorized read access
- Assess potential impact of sensitive information disclosure
- Review access controls and permissions for PIMBoards project files
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
- Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
- Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
Evidence notes
The CVE description and CVSS score indicate a high-severity vulnerability. However, the affected product and versions are not specified, making it difficult to assess the full impact. Defenders should verify exposure of PIMBoards project files and assess potential impact of sensitive information disclosure. The CVE record was published on 2026-09-08T18:20:57.420Z and has not been modified since then. The official CVE Program record and NIST NVD detail page provide additional information.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-81821 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-81821
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-81821 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81821
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-253-01.json
-
Source reference
Unverified legacy reference
URL: https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-006.pdf
-
Source reference
Unverified legacy reference
URL: https://www.cisa.gov/news-events/ics-advisories/icsa-26-253-01
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.