How severe is CVE-2019-0816?

CVE-2019-0816 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-0816 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0816?

CVE-2019-0816 affects Canonical Ubuntu Linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-0816?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-0816 published?

CVE-2019-0816 was published on 2019-04-09 and last updated on 2026-06-17.

CVE-2019-0816

CVE-2019-0816 is a medium-severity vulnerability in Canonical Ubuntu Linux with a CVSS 3.x base score of 5.1. 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-706.

Key facts

Severity: Medium (CVSS 3.x base score 5.1)
CVSS v2: 1.9
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-706
Affected product: Canonical Ubuntu Linux
Published: 2019-04-09
Last modified: 2026-06-17

Description

A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka 'Azure SSH Keypairs Security Feature Bypass Vulnerability'.

Frequently asked questions

What is CVE-2019-0816?: A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka 'Azure SSH Keypairs Security Feature Bypass Vulnerability'.
How severe is CVE-2019-0816?: CVE-2019-0816 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-0816 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0816?: CVE-2019-0816 affects Canonical Ubuntu Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-0816?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0816 published?: CVE-2019-0816 was published on 2019-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

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