CVE-2021-41578

CVSS V2 Medium 6.8 CVSS V3 High 7.8

Description

mySCADA myDESIGNER 8.20.0 and below allows Directory Traversal attacks when importing project files. If an attacker can trick a victim into importing a malicious mep file, then they gain the ability to write arbitrary files to OS locations where the user has permission. This would typically lead to code execution.

Overview

CVE ID
CVE-2021-41578

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-10-04T18:15:09

Last Modified Date
2021-10-12T21:41:22

Weakness Enumerations

CWE	URL
CWE-22	http://cwe.mitre.org/data/definitions/22.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:myscada:mydesigner::::::::	1	OR		8.20.0

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

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://github.com/jacob-baines/vuln_disclosure/blob/main/vuln_2021_05.txt	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-41578
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41578

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:51:49				Added to TrackCVE
2022-12-05 11:46:02	2021-10-04T18:15Z	2021-10-04T18:15:09	CVE Published Date	updated
2022-12-05 11:46:02		2021-10-12T21:41:22	CVE Modified Date	updated
2022-12-05 11:46:02		Analyzed	Vulnerability Status	updated