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HIGH

CVE-2016-8366

CVSS v3

7.3

HIGH

EPSS Score

5.7 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-16-313-01 CISA1 known affected

    Phoenix Contact ILC PLC Authentication Vulnerabilities

    Phoenix Contact ILC 1xx PLCs: vers:all/*

Full record on NVD

Description

Webvisit in Phoenix Contact ILC PLCs offers a password macro to protect HMI pages on the PLC against casual or coincidental opening of HMI pages by the user. The password macro can be configured in a way that the password is stored and transferred in clear text.

Technical details

Published
2018-04-05
Exploit-DB
EDB-45586

Frequently asked questions

What is CVE-2016-8366?

Webvisit in Phoenix Contact ILC PLCs offers a password macro to protect HMI pages on the PLC against casual or coincidental opening of HMI pages by the user. The password macro can be configured in a way that the password is stored and transferred in clear text.

Is CVE-2016-8366 actively exploited?

Active exploitation of CVE-2016-8366 has not been confirmed. Its EPSS score was 5.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-8366?

CVE-2016-8366 has a CVSS v3 base score of 7.3 (HIGH severity).

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