Phoenix Contact ILC PLC Web Server Variable improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Phoenix Contact ILC PLC and classified as critical. Affected is an unknown function of the component Web Server. Executing a manipulation as part of Variable can lead to improper authentication. This vulnerability is registered as CVE-2016-8380. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Phoenix Contact ILC PLC (the affected version is unknown). This vulnerability affects an unknown code of the component Web Server. The manipulation as part of a Variable leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The web server in Phoenix Contact ILC PLCs allows access to read and write PLC variables without authentication.

The bug was discovered 11/08/2016. The weakness was published 04/05/2018 by Michael Kapfer (Matt) (Website). The advisory is shared for download at ics-cert.us-cert.gov. This vulnerability was named CVE-2016-8380 since 09/28/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 513 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (45590) and SecurityFocus (BID 94163†). Similar entries are available at VDB-115838 and VDB-115839. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/28/2016 🔍
11/08/2016 +41 days 🔍
11/08/2016 +0 days 🔍
04/05/2018 +513 days 🔍
04/05/2018 +0 days 🔍
04/06/2018 +1 days 🔍
05/29/2025 +2610 days 🔍

Sourcesinfo

Advisory: ics-cert.us-cert.gov
Researcher: Michael Kapfer (Matt)
Status: Not defined

CVE: CVE-2016-8380 (🔍)
GCVE (CVE): GCVE-0-2016-8380
GCVE (VulDB): GCVE-100-115840
SecurityFocus: 94163 - Phoenix Contact ILC PLC Authentication Bypass and Information Disclosure Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/06/2018 09:03
Updated: 05/29/2025 13:24
Changes: 04/06/2018 09:03 (60), 01/22/2020 13:52 (9), 05/29/2025 13:24 (18)
Complete: 🔍
Cache ID: 216:167:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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