How severe is CVE-2019-11847?

CVE-2019-11847 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-11847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11847?

CVE-2019-11847 affects Sierrawireless Aleos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11847?

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.

When was CVE-2019-11847 published?

CVE-2019-11847 was published on 2020-08-21 and last updated on 2026-06-17.

CVE-2019-11847

CVE-2019-11847 is a high-severity vulnerability in Sierrawireless Aleos with a CVSS 3.x base score of 7.3. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.2
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Sierrawireless Aleos
Published: 2020-08-21
Last modified: 2026-06-17

Description

An improper privilege management vulnerabitlity exists in ALEOS before 4.11.0, 4.9.4 and 4.4.9. An authenticated user can escalate to root via the command shell.

Frequently asked questions

What is CVE-2019-11847?: An improper privilege management vulnerabitlity exists in ALEOS before 4.11.0, 4.9.4 and 4.4.9. An authenticated user can escalate to root via the command shell.
How severe is CVE-2019-11847?: CVE-2019-11847 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-11847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11847?: CVE-2019-11847 affects Sierrawireless Aleos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11847?: 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.
When was CVE-2019-11847 published?: CVE-2019-11847 was published on 2020-08-21 and last updated on 2026-06-17.

References

https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-004/

Affected products (1)

cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*

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