SMA Solar Technology Solar System/PV System Inverter Crafted Packet User information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in SMA Solar Technology Solar System and PV System. This impacts an unknown function of the component Inverter. Executing a manipulation as part of Crafted Packet can lead to information disclosure (User). This vulnerability is tracked as CVE-2017-9858. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in SMA Solar Technology Solar System and PV System (unknown version) and classified as problematic. This vulnerability affects an unknown code block of the component Inverter. The manipulation as part of a Crafted Packet leads to a information disclosure vulnerability (User). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

An issue was discovered in SMA Solar Technology products. By sending crafted packets to an inverter and observing the response, active and inactive user accounts can be determined. This aids in further attacks (such as a brute force attack) as one now knows exactly which users exist and which do not.

The bug was discovered 06/24/2017. The weakness was disclosed 08/05/2017 (Website). The advisory is shared for download at sma.de. This vulnerability was named CVE-2017-9858 since 06/24/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 42 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 entries VDB-104865, VDB-104866, VDB-104867 and VDB-104869 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: User
Class: Information disclosure / User
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/24/2017 🔍
06/24/2017 +0 days 🔍
08/05/2017 +42 days 🔍
08/05/2017 +0 days 🔍
08/06/2017 +1 days 🔍
08/05/2024 +2556 days 🔍

Sourcesinfo

Advisory: sma.de
Status: Not defined

CVE: CVE-2017-9858 (🔍)
GCVE (CVE): GCVE-0-2017-9858
GCVE (VulDB): GCVE-100-104872
See also: 🔍

Entryinfo

Created: 08/06/2017 14:22
Updated: 08/05/2024 21:45
Changes: 08/06/2017 14:22 (59), 11/04/2019 06:53 (1), 08/05/2024 21:45 (28)
Complete: 🔍
Cache ID: 216::103

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