CVE-2016-8371
The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the...
The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the authentication mechanism is enabled.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the authentication mechanism is enabled.
- Record
CVE-2016-8371- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-592, CWE-287
- Updated
- 2026-11-02
CVE List No score
The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the authentication mechanism is enabled.
- Record
CVE-2016-8371- Weakness
- CWE-592
- Updated
- 2026-11-02
EUVDEUVD-2016-9219 No score
The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the authentication mechanism is enabled.
- Record
EUVD-2016-9219- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vprp-wv7r-hv9r
The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the...
The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the authentication mechanism is enabled.
- Record
GHSA-vprp-wv7r-hv9r- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Phoenix Contact WebVisit 2985725 - Authentication Bypass | 2018-10-12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-8371 is a high vulnerability (CVSS 7.3) in Phoenix Contact Ilc Plcs, published April 5, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 10.9%, the 95th percentile. No source names a fixed version.