CVE-2021-43551
Published: 17 November 2021
Summary
CVE-2021-43551 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Osisoft Pi Vision. Its CVSS base score is 6.5 (Medium).
Operationally, ranked at the 27.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-30480
Vulnerability details
A remote attacker with write access to PI Vision could inject code into a display. Unauthorized information disclosure, modification, or deletion is possible if a victim views or interacts with the infected display using Microsoft Internet Explorer. The impact affects…
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PI System data and other data accessible with victim's user permissions.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.