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CVE-2025-34282

Thingsboard server-side request forgery (SSRF)

9.1 CRITICALEPSS 1.82%
  1. Published17 Oct 2025

Description

ThingsBoard versions < 4.2.1 contain a server-side request forgery (SSRF) vulnerability in the dashboard's Image Upload Gallery feature. An attacker can upload a malicious SVG file that references a remote URL. If the server processes the SVG file in a way that parses external references, it may initiate unintended outbound requests. This can be used to access internal services or resources.

CVSS 3.1 breakdown

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

Affected products

Thingsboard< 4.2.1

Remediation

Fixed in
Thingsboard≥ 4.2.1

References

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Frequently asked

Is CVE-2025-34282 being actively exploited?

CVE-2025-34282 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.82%.

How severe is CVE-2025-34282?

CVE-2025-34282 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 1.82% probability of exploitation.

Which products are affected by CVE-2025-34282?

Affected products include Thingsboard.

How do I fix CVE-2025-34282?

Upgrade affected software to a fixed version, for example Thingsboard 4.2.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-34282 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.