CVE-2018-7531 json
An Improper Input Validation 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-2018-19260
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
An Improper Input Validation issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Unauthenticated users may use unvalidated custom requests to crash the server.
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 cvss 5.9
OSIsoft PI Data Archive
-
OSIsoft LLC PI Data Archive <=2017affected: 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
1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Affected products
- n/a OSIsoft PI Data Archive
Classification
- Weakness
-
- CWE-20 Improper Input Validation
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-2018-7531
- NVD CVE-2018-7531
Fencer Intel 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.