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CVE-2024-5138

Canonical Snapd vulnerability

8.1 HIGHPublic exploitEPSS 0.83%
  1. Published31 May 2024

Description

The snapctl component within snapd allows a confined snap to interact with the snapd daemon to take certain privileged actions on behalf of the snap. It was found that snapctl did not properly parse command-line arguments, allowing an unprivileged user to trigger an authorised action on behalf of the snap that would normally require administrator privileges to perform. This could possibly allow an unprivileged user to perform a denial of service or similar.

CVSS 3.1 breakdown

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

Affected products

Canonical Snapd≥ 2.51.6 < 2.63.1

Remediation

Fixed in
Canonical Snapd≥ 2.63.1

References

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Frequently asked

Is CVE-2024-5138 being actively exploited?

CVE-2024-5138 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.83%.

How severe is CVE-2024-5138?

CVE-2024-5138 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.83% probability of exploitation.

Which products are affected by CVE-2024-5138?

Affected products include Canonical Snapd.

How do I fix CVE-2024-5138?

Upgrade affected software to a fixed version, for example Canonical Snapd 2.63.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-5138 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.