Is CVE-2009-0209 being actively exploited?

CVE-2009-0209 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-0209?

CVE-2009-0209 has a CVSS 2.0 base score of 6.4 (MEDIUM).

CVE-2009-0209

MEDIUM · CVSS 6.4EPSS 0.7%EU EUVD

PI Server in OSIsoft PI System before 3.4.380.x does not properly use encryption in the default authentication process, which allows remote attackers to read or modify information in databases via unspecified vectors.

Key facts

CVSS score: 6.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-310
EPSS score: 0.7% (52th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-0218)
Published: October 1, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0218 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

osisoft / pi server
osisoft / pi server
osisoft / pi server
osisoft / pi server
osisoft / pi server
osisoft / pi server

References

http://www.securityfocus.com/archive/1/506826/100/0/threaded

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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