Emerson WirelessHART Gateway Backup path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Emerson WirelessHART Gateway. Affected is an unknown function of the component Backup Handler. The manipulation leads to path traversal. This vulnerability is documented as CVE-2021-42542. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Emerson WirelessHART Gateway (version now known) and classified as critical. This issue affects some unknown processing of the component Backup Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

The weakness was released 10/22/2021 as icsa-21-278-02. The advisory is shared at us-cert.cisa.gov. The identification of this vulnerability is CVE-2021-42542 since 10/15/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

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

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
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: Path traversal
CWE: 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: 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-2021-42542 (🔍)
GCVE (CVE): GCVE-0-2021-42542
GCVE (VulDB): GCVE-100-185261

Entryinfo

Created: 10/22/2021 21:39
Updated: 10/29/2021 12:16
Changes: 10/22/2021 21:39 (47), 10/29/2021 12:09 (2), 10/29/2021 12:16 (18)
Complete: 🔍
Cache ID: 216::103

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