OSIsoft PI System software (Applications using PI Asset Framework (AF) Client versions prior to PI AF Client 2016, Version 2.8.0; Applications using PI Software Development Kit (SDK) versions prior to PI SDK 2016, Version 1.4.6; PI Buffer Subsystem, versions prior to and including, Version 4.4; and PI Data Archive versions prior to PI Data Archive 2015, Version 3.4.395.64) operates between endpoints without a complete model of endpoint features potentially causing the product to perform actions based on this incomplete model, which could result in a denial of service. OSIsoft reports that in order to exploit the vulnerability an attacker would need to be locally connected to a server. A CVSS v3 base score of 7.1 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
Conclusion & alert: CVE-2016-8365 is rated Low Risk (28.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2023-03-28 | 0.04% | 0.05% | +0.01% |
| 2 | 2023-03-07 | 0.89% | 0.04% | -0.84% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| osisoft | pi_af_client | < 2.8.0 | cpe:2.3:a:osisoft:pi_af_client:*:*:*:*:*:*:*:* |
| osisoft | pi_buffer_subsystem | < 4.5.0 | cpe:2.3:a:osisoft:pi_buffer_subsystem:*:*:*:*:*:*:*:* |
| osisoft | pi_data_archive | < 3.4.400.1162 | cpe:2.3:a:osisoft:pi_data_archive:*:*:*:*:2016:*:*:* |
| osisoft | pi_sdk | < 1.4.6 | cpe:2.3:a:osisoft:pi_sdk:*:*:*:*:2016:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/94165 | Third Party Advisory VDB Entry |
| https://ics-cert.us-cert.gov/advisories/ICS-VU-313-03 | Third Party Advisory US Government Resource |
| https://techsupport.osisoft.com/Troubleshooting/Alerts/AL00308 | Vendor Advisory |