How severe is CVE-2018-20162?

CVE-2018-20162 has a CVSS 3.x base score of 9.9, rated critical 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-2018-20162 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20162?

CVE-2018-20162 affects Digi Transport Lr54 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20162?

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

When was CVE-2018-20162 published?

CVE-2018-20162 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2018-20162

CVE-2018-20162 is a critical-severity vulnerability in Digi Transport Lr54 Firmware with a CVSS 3.x base score of 9.9. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v2: 9.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Digi Transport Lr54 Firmware
Published: 2019-03-21
Last modified: 2026-06-17

Description

Digi TransPort LR54 4.4.0.26 and possible earlier devices have Improper Input Validation that allows users with 'super' CLI access privileges to bypass a restricted shell and execute arbitrary commands as root.

Frequently asked questions

What is CVE-2018-20162?: Digi TransPort LR54 4.4.0.26 and possible earlier devices have Improper Input Validation that allows users with 'super' CLI access privileges to bypass a restricted shell and execute arbitrary commands as root.
How severe is CVE-2018-20162?: CVE-2018-20162 has a CVSS 3.x base score of 9.9, rated critical 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-2018-20162 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20162?: CVE-2018-20162 affects Digi Transport Lr54 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20162?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-20162 published?: CVE-2018-20162 was published on 2019-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:digi:transport_lr54_firmware:*:*:*:*:*:*:*:*

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