CVE-2020-27185
Successfully exploiting the vulnerability could enable attackers to read authentication data, device configuration, and other sensitive data transmitted over Moxa Service.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.73% probability · 54th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-319
- Affected
- moxa/nport ia5150a firmware · moxa/nport ia5250a firmware · moxa/nport ia5450a firmware
- Source
- vulnerability@kaspersky.com
EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-021%2C
- https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilitiesVendor Advisory
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-021%2C
- https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilitiesVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.