An Incorrect Default Permissions issue was discovered in OSIsoft PI Data Archive versions 2017 and prior.

published 2018-03-14 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19262

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits: 0; none known

An Incorrect Default Permissions issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Insecure default configuration may allow escalation of privileges that gives the actor full control over the system.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-072-02 updated 2018-03-13 cvss 7.3

OSIsoft PI Data Archive

OSIsoft LLC PI Data Archive <=2017
affected: mitigation “OSIsoft recommends that customers upgrade to PI Data Archive 2017 R2. Obtain the update from OSIsoft.” techsupport.osisoft.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a OSIsoft PI Data Archive

Classification

Weakness

CWE-276 Incorrect Default Permissions

References

ics-cert.us-cert.gov /advisories/ICSA-18-072-02
third-party-advisory, us-government-resource
securityfocus.com /bid/103399
vdb-entry, third-party-advisory

Sources

CVE List CVE-2018-7533
NVD CVE-2018-7533

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary