VDB-165200 · CVE-2020-7559 · SEVD-2020-315-07

Schneider Electric EcoStruxure Control Expert PLC Simulator buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Schneider Electric EcoStruxure Control Expert. This affects an unknown part of the component PLC Simulator. Such manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2020-7559. No exploit is available.

Detailsinfo

A vulnerability was found in Schneider Electric EcoStruxure Control Expert (SCADA Software) (version unknown) and classified as critical. Affected by this issue is an unknown function of the component PLC Simulator. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was published 11/20/2020 as SEVD-2020-315-07. The advisory is shared for download at se.com. This vulnerability is handled as CVE-2020-7559. There are neither technical details nor an exploit publicly available.

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

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

Productinfo

Type

SCADA Software

Vendor

Schneider Electric

Name

EcoStruxure Control Expert

License

commercial

Website

Vendor: https://www.schneider-electric.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2020 🔍
11/20/2020 +304 days 🔍
11/20/2020 +0 days 🔍
12/09/2020 +19 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2020-315-07
Status: Confirmed

CVE: CVE-2020-7559 (🔍)
GCVE (CVE): GCVE-0-2020-7559
GCVE (VulDB): GCVE-100-165200

Entryinfo

Created: 11/20/2020 07:25
Updated: 12/09/2020 14:50
Changes: 11/20/2020 07:25 (37), 12/09/2020 14:50 (2)
Complete: 🔍
Cache ID: 216::103