CVE-2009-0209

CVE-2009-0209 is a medium-severity vulnerability in Osisoft Pi Server with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Description

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.

Frequently asked questions

What is CVE-2009-0209?
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.
How severe is CVE-2009-0209?
CVE-2009-0209 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2009-0209 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0209?
CVE-2009-0209 primarily affects Osisoft Pi Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0209?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0209 published?
CVE-2009-0209 was published on 2009-10-01 and last updated on 2026-06-16.

References

Affected products (6)

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