Emerson WirelessHART Gateway Folder write-what-where condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Emerson WirelessHART Gateway. This impacts an unknown function of the component Folder Handler. Executing a manipulation can lead to write-what-where condition. This vulnerability is registered as CVE-2021-42540. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Emerson WirelessHART Gateway (unknown version) and classified as critical. This vulnerability affects an unknown code block of the component Folder Handler. The manipulation with an unknown input leads to a write-what-where condition vulnerability. The CWE definition for the vulnerability is CWE-123. Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/22/2021 as icsa-21-278-02. The advisory is shared for download at us-cert.cisa.gov. This vulnerability was named CVE-2021-42540 since 10/15/2021. 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.0
CNA Vector (ICS-CERT): 🔍

CVSSv2info

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

Exploitinginfo

Class: Write-what-where condition
CWE: CWE-123 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/15/2021 🔍
10/22/2021 +7 days 🔍
10/22/2021 +0 days 🔍
10/29/2021 +7 days 🔍

Sourcesinfo

Advisory: icsa-21-278-02
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-42540 (🔍)
GCVE (CVE): GCVE-0-2021-42540
GCVE (VulDB): GCVE-100-185260

Entryinfo

Created: 10/22/2021 21:38
Updated: 10/29/2021 12:01
Changes: 10/22/2021 21:38 (46), 10/29/2021 12:01 (2)
Complete: 🔍
Cache ID: 216::103

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