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CVE-2023-4818

Paxtechnology Paydroid injection

7.6 HIGHPublic exploitEPSS 0.66%
  1. Published15 Jan 2024

Description

PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.  The attacker must have physical USB access to the device in order to exploit this vulnerability.

CVSS 3.1 breakdown

Attack vectorPhysical
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Paxtechnology Paydroid7.1.2_aquarius_11.1.50_20230614

Remediation

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

References

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Frequently asked

Is CVE-2023-4818 being actively exploited?

CVE-2023-4818 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.66%.

How severe is CVE-2023-4818?

CVE-2023-4818 has a CVSS 3.1 base score of 7.6, rated high. EPSS estimates a 0.66% probability of exploitation.

Which products are affected by CVE-2023-4818?

Affected products include Paxtechnology Paydroid.

How do I fix CVE-2023-4818?

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-2023-4818 against the real software inventory on every managed device, every day. 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.