Eaton easyE4 PLC Secure Connection weak password encoding

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Eaton easyE4 PLC. Impacted is an unknown function of the component Secure Connection Handler. The manipulation results in weak password encoding. This vulnerability is reported as CVE-2023-43776. An attack on the physical device is feasible. No exploit exists.

Detailsinfo

A vulnerability was found in Eaton easyE4 PLC (affected version not known). It has been classified as critical. Affected is some unknown functionality of the component Secure Connection Handler. The manipulation with an unknown input leads to a weak password encoding vulnerability. CWE is classifying the issue as CWE-261. Obscuring a password with a trivial encoding does not protect the password. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Eaton easyE4 PLC offers a device password protection functionality to facilitate a secure connection and prevent unauthorized access. It was observed that the device password was stored with a weak encoding algorithm in the easyE4 program file when exported to SD card (*.PRG file ending).

The weakness was disclosed 10/17/2023. The advisory is shared for download at eaton.com. This vulnerability is traded as CVE-2023-43776 since 09/22/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552.

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 6.6
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (Eaton): 🔍

CVSSv2info

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

Exploitinginfo

Class: Weak password encoding
CWE: CWE-261 / CWE-257 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

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

09/22/2023 🔍
10/17/2023 +25 days 🔍
10/17/2023 +0 days 🔍
11/04/2023 +18 days 🔍

Sourcesinfo

Advisory: eaton.com
Status: Confirmed

CVE: CVE-2023-43776 (🔍)
GCVE (CVE): GCVE-0-2023-43776
GCVE (VulDB): GCVE-100-242412

Entryinfo

Created: 10/17/2023 15:31
Updated: 11/04/2023 08:34
Changes: 10/17/2023 15:31 (46), 11/04/2023 08:34 (11)
Complete: 🔍
Cache ID: 216::103

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