CVE-2018-20162

CRITICALNVD 9.99.9—

9.9

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.

CVSS v3: 9.9
EG Score: 9.9(medium)
EPSS: 88.6%
KEV: Not listed

Published

March 21, 2019

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated May 24, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

Bugtraq: CVE-2018-20162: Digi TransPort LR54 Restricted Shell Escape

https://seclists.org/bugtraq/2019/Feb/34

generic🟡 PoC Available

CVE-2018-20162: Digi TransPort LR54 Restricted Shell Escape – Hackeriet Blog

https://blog.hackeriet.no/cve-2018-20162-digi-lr54-restricted-shell-escape/

generic

Packet Storm

http://packetstormsecurity.com/files/151719/Digi-TransPort-LR54-Restricted-Shell-Escape.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-08 14:14 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 21:40 UTCEG score recompute

Frequently asked(5)

What is CVE-2018-20162?

CVE-2018-20162 is a critical vulnerability published on March 21, 2019. 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.

When was CVE-2018-20162 disclosed?

CVE-2018-20162 was first published in the National Vulnerability Database on March 21, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-20162 actively exploited?

CVE-2018-20162 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-20162?

CVE-2018-20162 has a CVSS v3 base score of 9.9 (NVD).

How do I remediate CVE-2018-20162?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20162, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-20162

📅 Published

🔄 Last Modified

📋 Advisory Details (3)