How severe is CVE-2017-7930?

CVE-2017-7930 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2017-7930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7930?

CVE-2017-7930 affects Osisoft Pi Data Archive. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7930?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7930 published?

CVE-2017-7930 was published on 2017-08-25 and last updated on 2026-06-17.

CVE-2017-7930

CVE-2017-7930 is a high-severity vulnerability in Osisoft Pi Data Archive with a CVSS 3.x base score of 7.4. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 5.8
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Osisoft Pi Data Archive
Published: 2017-08-25
Last modified: 2026-06-17

Description

An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Data Archive has protocol flaws with the potential to expose change records in the clear and allow a malicious party to spoof a server within a collective.

Frequently asked questions

What is CVE-2017-7930?: An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Data Archive has protocol flaws with the potential to expose change records in the clear and allow a malicious party to spoof a server within a collective.
How severe is CVE-2017-7930?: CVE-2017-7930 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2017-7930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7930?: CVE-2017-7930 affects Osisoft Pi Data Archive. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7930?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7930 published?: CVE-2017-7930 was published on 2017-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:osisoft:pi_data_archive:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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