How severe is CVE-2020-27185?

CVE-2020-27185 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-27185 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27185?

CVE-2020-27185 primarily affects Moxa Nport Ia5150a Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-27185?

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-2020-27185 published?

CVE-2020-27185 was published on 2021-05-14 and last updated on 2026-06-17.

CVE-2020-27185

CVE-2020-27185 is a high-severity vulnerability in Moxa Nport Ia5150a Firmware with a CVSS 3.x base score of 7.5. 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-319.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Moxa Nport Ia5150a Firmware
Published: 2021-05-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-27185?: 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.
How severe is CVE-2020-27185?: CVE-2020-27185 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-27185 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27185?: CVE-2020-27185 primarily affects Moxa Nport Ia5150a Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-27185?: 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-2020-27185 published?: CVE-2020-27185 was published on 2021-05-14 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:moxa:nport_ia5150a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:nport_ia5250a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:nport_ia5450a_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Moxa Nport Ia5150a Firmware

CVE-2020-27150 — High (CVSS 7.5): In multiple versions of NPort IA5000A Series, the result of exporting a device’s configuration contains the passwords…
CVE-2023-4929 — Medium (CVSS 6.5): All firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability.…
CVE-2020-27149 — Medium (CVSS 6.5): By exploiting a vulnerability in NPort IA5150A/IA5250A Series before version 1.5, a user with “Read Only” privilege…
CVE-2020-27184 — Medium (CVSS 5.9): The NPort IA5000A Series devices use Telnet as one of the network device management services. Telnet does not support…

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