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CVE-2025-53513

Canonical Juju path traversal

8.8 HIGHPublic exploitEPSS 0.78%
  1. Published8 Jul 2025

Description

The /charms endpoint on a Juju controller lacked sufficient authorization checks, allowing any user with an account on the controller to upload a charm. Uploading a malicious charm that exploits a Zip Slip vulnerability could allow an attacker to gain access to a machine running a unit through the affected charm.

CVSS 3.1 breakdown

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

Affected products

Canonical Juju≥ 3.0 < 3.6.8 · < 2.9.52

Remediation

Fixed in
Canonical Juju≥ 3.6.8

References

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Frequently asked

Is CVE-2025-53513 being actively exploited?

CVE-2025-53513 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.78%.

How severe is CVE-2025-53513?

CVE-2025-53513 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.78% probability of exploitation.

Which products are affected by CVE-2025-53513?

Affected products include Canonical Juju.

How do I fix CVE-2025-53513?

Upgrade affected software to a fixed version, for example Canonical Juju 3.6.8 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-53513 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.