CVE-2023-50707

Efacec Bcu 500 Firmware vulnerability

9.6 CRITICALEPSS 0.70%

Published19 Dec 2023

Description

Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeChanged

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

Affected products

Efacec Bcu 500 Firmware4.07

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2023-50707 being actively exploited?

CVE-2023-50707 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.70%.

How severe is CVE-2023-50707?

CVE-2023-50707 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.70% probability of exploitation.

Which products are affected by CVE-2023-50707?

Affected products include Efacec Bcu 500 Firmware.

How do I fix CVE-2023-50707?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-50707 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.