Fernhill SCADA Server prior 3.78 FHSvrService.exe resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Fernhill SCADA Server. This affects an unknown function of the file FHSvrService.exe. Performing a manipulation results in resource consumption. This vulnerability is identified as CVE-2022-21155. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Fernhill SCADA Server (SCADA Software). This affects some unknown functionality of the file FHSvrService.exe. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The weakness was released 01/29/2022 as icsa-22-006-02. It is possible to read the advisory at cisa.gov. This vulnerability is uniquely identified as CVE-2022-21155. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 3.78 eliminates this vulnerability. The upgrade is hosted for download at fernhillsoftware.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Resource consumption
CWE: CWE-400 / CWE-404
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: SCADA Server 3.78

Timelineinfo

12/21/2021 🔍
01/29/2022 +39 days 🔍
01/29/2022 +0 days 🔍
02/02/2022 +4 days 🔍

Sourcesinfo

Advisory: icsa-22-006-02
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-21155 (🔍)
GCVE (CVE): GCVE-0-2022-21155
GCVE (VulDB): GCVE-100-191991

Entryinfo

Created: 01/29/2022 19:22
Updated: 02/02/2022 15:12
Changes: 01/29/2022 19:22 (41), 02/02/2022 15:12 (1)
Complete: 🔍
Cache ID: 216::103

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