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CVE-2024-39349

Synology Bc500 Firmware remote code execution

9.8 CRITICALEPSS 1.44%
  1. Published28 Jun 2024

Description

A vulnerability regarding buffer copy without checking size of input ('Classic Buffer Overflow') is found in the libjansson component and it does not affect the upstream library. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.7-0298 may be affected: BC500 and TC500.

CVSS 3.1 breakdown

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

Affected products

Synology Bc500 Firmware< 1.0.7-0298
Synology Tc500 Firmware< 1.0.7-0298

Remediation

Fixed in
Synology Bc500 Firmware≥ 1.0.7-0298
Synology Tc500 Firmware≥ 1.0.7-0298

Frequently asked

Is CVE-2024-39349 being actively exploited?

CVE-2024-39349 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.44%.

How severe is CVE-2024-39349?

CVE-2024-39349 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.44% probability of exploitation.

Which products are affected by CVE-2024-39349?

Affected products include Synology Bc500 Firmware, Synology Tc500 Firmware.

How do I fix CVE-2024-39349?

Upgrade affected software to a fixed version, for example Synology Bc500 Firmware 1.0.7-0298, Synology Tc500 Firmware 1.0.7-0298 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-39349 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.