CVE-2020-27185

7.5 HIGH 0.7% exploit odds Fix listed

What it is

Cleartext transmission of sensitive information via Moxa Service in NPort IA5000A series serial devices. Successfully exploiting the vulnerability could enable attackers to read authentication data, device configuration, and other sensitive data transmitted over Moxa Service.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure.
Exploit odds: 0.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-05-14 13:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:08 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.7% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-05-14 13:15 UTC
Last modified: 2026-06-17 03:08 UTC
Exploit probability: 0.7% · EPSS, next 30 days
Weakness: CWE-319 · Cleartext transmission
Record status: Modified

Affected

Moxa Nport ia5150a Firmware ≤ 1.4
Moxa Nport ia5250a Firmware ≤ 1.4
Moxa Nport ia5450a Firmware ≤ 1.7

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-27185.md and follow it. Check whether this project is affected by CVE-2020-27185. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record