No exploitation reportedFix available

CVE-2018-7500

No exploitation reported by the sources we read.

Published2018-03-14
WeaknessCWE-264

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A Permissions, Privileges, and Access Controls issue was discovered in OSIsoft PI Web API versions 2017 R2 and prior. Privileges may be escalated, giving attackers access to the PI System via the service account.

Timeline

dates in UTC

2018-03-1418:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-7500?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-7500?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Osisoft pi web api

Branch	Affected	Fixed in	Source
2017.x	≤ 2017	no fix published	NVD
2017.x	= 2017	no fix published	NVD

Osisoft pi vision

Branch	Affected	Fixed in	Source
2017.x	= 2017	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-18-072-04 CISA1 known affected
OSIsoft PI Web API
PI Web API: versions 2017 R2 and prior

Full record on NVD

Fix

Vendor fix CISA ICSA-18-072-04 · 1 productOSIsoft recommends that users upgrade to PI Vision 2017 R2 Update 1 or PI AF Services 2017 R2 Update 1, which both address the PI Web API vulnerabilities. OBtain the updates from OSIsoft.
Mitigation from the vendor CISA ICSA-18-072-04 · 1 productOSIsoft has released the following alert

Advisories and patches

ics-cert.us-cert.govMitigation

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-264read 2026-10-23
FIRST EPSSEPSS score1.8 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2018-03-14
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-7500?

Is CVE-2018-7500 actively exploited?

Active exploitation of CVE-2018-7500 has not been confirmed. Its EPSS score was 1.8% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-7500?

CVE-2018-7500 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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