CSRF in Osisoft Pi Web API

CVE-2017-7926

A Cross-Site Request Forgery issue was discovered in OSIsoft PI Web API versions prior to 2017 (1.9.0). The vulnerability allows cross-site request forgery (CSRF) attacks to occur when an otherwise-unauthorized cross-site request is sent from a browser the server has previously authenticated.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-7926: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

  • Osisoft Pi Web API — versions 1.8
  • Osisoft Pi Web API 2017 — versions OSIsoft PI Web API 2017

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-7926?
CVE-2017-7926 is a high-severity vulnerability in Osisoft Pi Web API, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2017-08-25.
How severe is CVE-2017-7926?
High severity. CVSS v3 base score is 8.8 out of 10.