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CVE-2025-59353

Linuxfoundation Dragonfly broken access control

7.5 HIGHPublic exploitEPSS 0.23%
  1. Published17 Sept 2025

Description

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, a peer can obtain a valid TLS certificate for arbitrary IP addresses, effectively rendering the mTLS authentication useless. The issue is that the Manager’s Certificate gRPC service does not validate if the requested IP addresses “belong to” the peer requesting the certificate—that is, if the peer connects from the same IP address as the one provided in the certificate request. This vulnerability is fixed in 2.1.0.

CVSS 3.1 breakdown

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

Affected products

Linuxfoundation Dragonfly< 2.1.0

Remediation

Fixed in
Linuxfoundation Dragonfly≥ 2.1.0

References

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Frequently asked

Is CVE-2025-59353 being actively exploited?

CVE-2025-59353 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.23%.

How severe is CVE-2025-59353?

CVE-2025-59353 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.23% probability of exploitation.

Which products are affected by CVE-2025-59353?

Affected products include Linuxfoundation Dragonfly.

How do I fix CVE-2025-59353?

Upgrade affected software to a fixed version, for example Linuxfoundation Dragonfly 2.1.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-59353 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.