How severe is CVE-2019-11862?

CVE-2019-11862 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-11862 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11862?

CVE-2019-11862 affects Sierrawireless Aleos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11862?

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-2019-11862 published?

CVE-2019-11862 was published on 2020-08-21 and last updated on 2026-06-17.

CVE-2019-11862

CVE-2019-11862 is a high-severity vulnerability in Sierrawireless Aleos with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 4.6
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sierrawireless Aleos
Published: 2020-08-21
Last modified: 2026-06-17

Description

The SSH service on ALEOS before 4.12.0, 4.9.5, 4.4.9 allows traffic proxying.

Frequently asked questions

What is CVE-2019-11862?: The SSH service on ALEOS before 4.12.0, 4.9.5, 4.4.9 allows traffic proxying.
How severe is CVE-2019-11862?: CVE-2019-11862 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-11862 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11862?: CVE-2019-11862 affects Sierrawireless Aleos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11862?: 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-2019-11862 published?: CVE-2019-11862 was published on 2020-08-21 and last updated on 2026-06-17.

References

https://source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---swi-psa-2019-004/

Affected products (1)

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

More vulnerabilities in Sierrawireless Aleos

CVE-2015-2897 — Critical (CVSS 10.0): Sierra Wireless ALEOS before 4.4.2 on AirLink ES, GX, and LS devices has hardcoded root accounts, which makes it easier…
CVE-2019-11851 — Critical (CVSS 9.8): The ACENet service in Sierra Wireless ALEOS before 4.4.9, 4.5.x through 4.9.x before 4.9.5, and 4.10.x through 4.13.x…
CVE-2018-10251 — Critical (CVSS 9.8): A vulnerability in Sierra Wireless AirLink GX400, GX440, ES440, and LS300 routers with firmware before 4.4.7 and GX450,…
CVE-2019-11857 — Critical (CVSS 9.1): Lack of input sanitization in AceManager of ALEOS before 4.12.0, 4.9.5 and 4.4.9 allows disclosure of sensitive system…
CVE-2022-46649 — High (CVSS 8.8): Acemanager in ALEOS before version 4.16 allows a user with valid credentials to manipulate the IP logging operation to…
CVE-2018-4063 — High (CVSS 8.8): An exploitable remote code execution vulnerability exists in the upload.cgi functionality of Sierra Wireless AirLink…

All CVEs affecting Sierrawireless Aleos →