Siemens SIMATIC WinCC OA Operator iOS App Session Key information disclosure

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5$0-$5k0.00

A vulnerability was found in Siemens SIMATIC WinCC OA Operator iOS App (iOS App Software) (the affected version unknown). It has been classified as problematic. This affects some unknown functionality of the component Session Key Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. This is going to have an impact on confidentiality.

The bug was discovered 04/19/2018. The weakness was shared 04/23/2018 by Alex with Embedi (Website). It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2018-4847 since 01/02/2018. The exploitability is told to be easy. Attacking locally is a requirement. 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 4 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 vulnerability database at SecurityFocus (BID 103941).

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

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VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

01/02/2018 🔍
04/19/2018 +107 days 🔍
04/19/2018 +0 days 🔍
04/23/2018 +3 days 🔍
04/23/2018 +0 days 🔍
04/24/2018 +1 days 🔍
01/31/2020 +647 days 🔍

Sourcesinfoedit

Vendor: https://www.siemens.com/

Advisory: cert-portal.siemens.com
Researcher: Alex
Organization: Embedi
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-4847 (🔍)
SecurityFocus: 103941 - Siemens SIMATIC WinCC OA Operator IOS App CVE-2018-4847 Local Information Disclosure Vulnerability

Entryinfoedit

Created: 04/24/2018 09:02 AM
Updated: 01/31/2020 01:43 PM
Changes: (6) vulnerability_discoverydate advisory_person_nickname advisory_company_name advisory_confirm_url source_securityfocus_date source_securityfocus_class
Complete: 🔍

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