How severe is CVE-2025-53513?

CVE-2025-53513 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-53513 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53513?

CVE-2025-53513 affects Canonical Juju. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-53513?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-53513 have an EU (EUVD) identifier?

Yes. CVE-2025-53513 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20670.

When was CVE-2025-53513 published?

CVE-2025-53513 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2025-53513

CVE-2025-53513 is a high-severity vulnerability in Canonical Juju with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20670
Weakness: CWE-22
Affected product: Canonical Juju
Published: 2025-07-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-53513?: 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.
How severe is CVE-2025-53513?: CVE-2025-53513 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-53513 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53513?: CVE-2025-53513 affects Canonical Juju. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-53513?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-53513 have an EU (EUVD) identifier?: Yes. CVE-2025-53513 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20670.
When was CVE-2025-53513 published?: CVE-2025-53513 was published on 2025-07-08 and last updated on 2026-06-17.

References

https://github.com/juju/juju/security/advisories/GHSA-24ch-w38v-xmh8

Affected products (1)

cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:*

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