CVE-2020-28211

CVSS V2 Medium 4.6 CVSS V3 High 7.8

Description

A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause bypass of authentication when overwriting memory using a debugger.

Overview

CVE ID
CVE-2020-28211

Assigner
cybersecurity@se.com

Vulnerability Status
Analyzed

Published Version
2020-11-19T22:15:13

Last Modified Date
2022-01-31T19:33:27

Weakness Enumerations

CWE	URL
CWE-863	http://cwe.mitre.org/data/definitions/863.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:schneider-electric:ecostruxure_control_expert::::::::	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
4.6

Severity
MEDIUM

Exploitability Score
3.9

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.se.com/ww/en/download/document/SEVD-2020-315-07	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-28211
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28211

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:35:38				Added to TrackCVE
2022-12-05 17:06:51	cybersecurity@schneider-electric.com	cybersecurity@se.com	CVE Assigner	updated
2022-12-05 17:06:51	2020-11-19T22:15Z	2020-11-19T22:15:13	CVE Published Date	updated
2022-12-05 17:06:51		2022-01-31T19:33:27	CVE Modified Date	updated
2022-12-05 17:06:51		Analyzed	Vulnerability Status	updated