mySCADA myDESIGNER up to 8.20.0 Project File path traversal

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 (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in mySCADA myDESIGNER up to 8.20.0 and classified as critical. Affected by this issue is some unknown functionality of the component Project File Handler. Performing a manipulation results in path traversal. This vulnerability was named CVE-2021-43555. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in mySCADA myDESIGNER up to 8.20.0 (SCADA Software). It has been classified as critical. This affects an unknown part of the component Project File Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 11/17/2021 as icsa-21-313-04. The advisory is shared at us-cert.cisa.gov. This vulnerability is uniquely identified as CVE-2021-43555. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 8.22.0 eliminates this vulnerability. The upgrade is hosted for download at myscada.org.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Path traversal
CWE: CWE-23 / CWE-22
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: myDESIGNER 8.22.0

Timelineinfo

11/08/2021 🔍
11/17/2021 +9 days 🔍
11/17/2021 +0 days 🔍
11/19/2021 +2 days 🔍

Sourcesinfo

Advisory: icsa-21-313-04
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43555 (🔍)
GCVE (CVE): GCVE-0-2021-43555
GCVE (VulDB): GCVE-100-186693

Entryinfo

Created: 11/17/2021 14:41
Updated: 11/19/2021 09:01
Changes: 11/17/2021 14:41 (42), 11/19/2021 09:01 (1)
Complete: 🔍
Cache ID: 216::103

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