CVE-2018-7529
A Deserialization of Untrusted Data issue was discovered in OSIsoft PI Data Archive versions 2017 and prior.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A Deserialization of Untrusted Data issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Unauthenticated users may modify deserialized data to send custom requests that crash the server.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.06% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- osisoft/pi data archive
- Source
- ics-cert@hq.dhs.gov
EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/103399Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-072-02Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/103399Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-072-02Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.