Emerson WirelessHART Gateway System Backup Restore missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Emerson WirelessHART Gateway. This affects an unknown function of the component System Backup Restore Handler. Performing a manipulation results in missing authentication. This vulnerability is cataloged as CVE-2021-42539. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Emerson WirelessHART Gateway (the affected version is unknown). This affects an unknown code of the component System Backup Restore Handler. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 10/22/2021 as icsa-21-278-02. It is possible to read the advisory at us-cert.cisa.gov. This vulnerability is uniquely identified as CVE-2021-42539 since 10/15/2021. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
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-2021-42539 (🔍)
GCVE (CVE): GCVE-0-2021-42539
GCVE (VulDB): GCVE-100-185259

Entryinfo

Created: 10/22/2021 21:38
Updated: 10/29/2021 11:54
Changes: 10/22/2021 21:38 (47), 10/29/2021 11:47 (2), 10/29/2021 11:54 (18)
Complete: 🔍
Cache ID: 216::103

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