CVE-2017-7926
mediumpriority · track · 35EPSS 0.008 · 57 %ileEUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedPI Web APIcisa_csaf_ot
A new installation of PI Web API 2017 (1.9.0) enables CSRF protection by default.
- MitigationPI Web APIcisa_csaf_ot
Please see alert AL00316 on the OSIsoft web page for more information about this issue
https://techsupport.osisoft.com/Troubleshooting/Alerts/AL00316
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-17-164-03OSIsoft PI Web API 20172017-06-13icsa · cisa_csaf_otUS
ATTENTION: Remotely exploitable/low skill level to exploit.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://ics-cert.us-cert.gov/advisories/ICSA-17-164-03cnnvd
- https://techsupport.osisoft.com/Troubleshooting/Alerts/AL00316Patchcnnvd
- https://www.securityfocus.com/bid/99058cnnvd
- http://www.securityfocus.com/bid/99058enisa_euvd
- https://ics-cert.us-cert.gov/advisories/ICSA-17-164-03enisa_euvd
- http://www.securityfocus.com/bid/99058Third Party AdvisoryVDB Entrynvd
- https://ics-cert.us-cert.gov/advisories/ICSA-17-164-03Third Party AdvisoryUS Government Resourcenvd
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