VDB-96915 · CVE-2016-9362 · BID 95074

WAGO 750-881/750-8202/0758-0874-0000-0111 Setting improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in WAGO 750-881, 750-8202 and 0758-0874-0000-0111. It has been rated as critical. Impacted is an unknown function of the component Setting Handler. Performing a manipulation results in improper authentication. This vulnerability is known as CVE-2016-9362. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in WAGO 750-881, 750-8202 and 0758-0874-0000-0111 (version unknown). This affects an unknown function of the component Setting Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in WAGO 750-8202/PFC200 prior to FW04 (released August 2015), WAGO 750-881 prior to FW09 (released August 2016), and WAGO 0758-0874-0000-0111. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to edit and to view settings without authenticating.

The bug was discovered 12/22/2016. The weakness was published 02/13/2017 by Maxim Rupp (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-9362 since 11/16/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 53 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11748 (WAGO PLC Ethernet Web-based Management Authentication Bypass Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95074†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/16/2016 🔍
12/22/2016 +36 days 🔍
12/22/2016 +0 days 🔍
02/13/2017 +53 days 🔍
02/13/2017 +0 days 🔍
02/14/2017 +1 days 🔍
09/17/2024 +2772 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Maxim Rupp
Status: Not defined

CVE: CVE-2016-9362 (🔍)
GCVE (CVE): GCVE-0-2016-9362
GCVE (VulDB): GCVE-100-96915
SecurityFocus: 95074 - Multiple WAGO Products CVE-2016-9362 Authentication Bypass Vulnerability
OSVDB: - CVE-2016-9362 - WAGO - Multiple Products - Authentication Bypass Issue

Entryinfo

Created: 02/14/2017 09:16
Updated: 09/17/2024 06:16
Changes: 02/14/2017 09:16 (57), 09/02/2020 09:56 (6), 09/17/2024 06:16 (19)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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