Emerson OpenEnterprise SCADA Server up to 2.83 Modbus heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Emerson OpenEnterprise SCADA Server up to 2.83. This vulnerability affects unknown code of the component Modbus. This manipulation causes heap-based overflow. This vulnerability appears as CVE-2020-6970. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in Emerson OpenEnterprise SCADA Server up to 2.83 (SCADA Software). Affected by this vulnerability is some unknown processing of the component Modbus. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A Heap-based Buffer Overflow was found in Emerson OpenEnterprise SCADA Server 2.83 (if Modbus or ROC Interfaces have been installed and are in use) and all versions of OpenEnterprise 3.1 through 3.3.3, where a specially crafted script could execute code on the OpenEnterprise Server.

The weakness was presented 02/18/2020 (Website). The advisory is shared at us-cert.gov. The public release was coordinated in cooperation with Emerson. This vulnerability is known as CVE-2020-6970 since 01/14/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
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: Heap-based overflow
CWE: CWE-122 / CWE-119
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

01/14/2020 🔍
02/18/2020 +35 days 🔍
02/20/2020 +2 days 🔍
02/20/2020 +0 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Status: Not defined
Coordinated: 🔍

CVE: CVE-2020-6970 (🔍)
GCVE (CVE): GCVE-0-2020-6970
GCVE (VulDB): GCVE-100-150373

Entryinfo

Created: 02/20/2020 07:47
Updated: 02/20/2020 11:55
Changes: 02/20/2020 07:47 (24), 02/20/2020 11:54 (5), 02/20/2020 11:55 (24)
Complete: 🔍
Committer: Anonymous User
Cache ID: 216:3A0:103

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