CVE-2017-7930

mediumpriority · track · 31EPSS 0.020 · 81 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.01% (81st) EPSS

CVSS 5.8 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedPI Data Archivecisa_csaf_ot
OSIsoft recommends that users upgrade to PI Data Archive 2017.
https://techsupport.osisoft.com/Downloads/File/bd5c24f2-4937-45e6-aaa5-939d6208f5fc
MitigationPI Data Archivecisa_csaf_ot
Please see Security Bulletin AL00315 on the OSIsoft web page for more information about this issue.
https://techsupport.osisoft.com/Troubleshooting/Alerts/AL00315

cvss

Technical severity, 0–10. One row per scoring source.

8.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–8.9

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.07.4highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 5.2

v3.08.9highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Lsecondary · CISA US

v3.06.8mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-287US

affected products (4)

Products and version ranges known to be affected.

PI Data Archive: versions prior to 2017all versionscisa_csaf_otUS
OSIsoft LLC PI Data Archive< 2017cisa_csaf_otUS
n/a OSIsoft PI Server 2017≤ OSIsoft PI Server 2017enisa_euvdEU
osisoft pi data archive≤ 3.4.410.1256nvdUScpe:2.3:a:osisoft:pi_data_archive:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-17-164-02OSIsoft PI Server 20172017-06-13icsa · cisa_csaf_otUS
ATTENTION: Remotely exploitable.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2017-08-25modified 2026-06-17

related (7,716)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-105133US	high7.3OT critical	79.5% (100th)	KEV	2026-10-04
A vulnerability was detected in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component…
CVE-2026-82329US	—OT critical	14.4% (97th)	KEV	2026-08-28
JFrog Artifactory contains an authentication weakness that, under default configuration, may allow an unauthenticated attacker with network access to obtain administrative privileg…
CVE-2026-42018US	—OT critical	9.80% (96th)	KEV	2026-08-12
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
CVE-2026-65400US	—OT critical	1.72% (77th)	KEV	2026-08-06
An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, ma…
CVE-2026-16232US	critical9.8OT critical	3.52% (89th)	KEV	2026-07-22
An authentication bypass vulnerability in the Check Point SmartConsole login process allows an unauthenticated remote attacker to obtain an application login token and use it to au…

+7711 more

references (7)

External citations — patches, advisories, analysis.

https://ics-cert.us-cert.gov/advisories/ICSA-17-164-02 cnnvd
https://techsupport.osisoft.com/Troubleshooting/Alerts/AL00315Patchcnnvd
https://www.securityfocus.com/bid/99059 cnnvd
http://www.securityfocus.com/bid/99059 enisa_euvd
https://ics-cert.us-cert.gov/advisories/ICSA-17-164-02 enisa_euvd
http://www.securityfocus.com/bid/99059Third Party AdvisoryVDB Entrynvd
https://ics-cert.us-cert.gov/advisories/ICSA-17-164-02Third Party AdvisoryUS Government Resourcenvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan