CVE-2023-50703 - Vulnerability Details - OpenCVE

Description

An attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.

Published: 2023-12-19

Score: 6.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

EFACEC

UC 500E

unaffected

Version	Status	Constraints
`version 10.1.0`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:efacec:uc_500e_firmware:10.1.0:*:*:*:*:*:*:*

cpe:2.3:h:efacec:uc_500e:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

EFACEC has released UC 500E version 10.1.1. For more information, contact EFACEC support https://www.efacec.pt/en/contacts/ .

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-55480	An attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00027.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-03

History

Thu, 26 Feb 2026 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Efacec Uc 500e Uc 500e Firmware

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2023-12-19T23:40:49.215Z

Updated: 2026-02-25T16:34:33.086Z

Reserved: 2023-12-11T16:37:13.793Z

Link: CVE-2023-50703

Vulnrichment

Updated: 2024-08-02T22:16:47.115Z

NVD

Status : Modified

Published: 2023-12-20T00:15:08.877

Modified: 2024-11-21T08:37:10.147

Link: CVE-2023-50703

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-319

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