5.9
MEDIUM
CVE-2020-27184
Moxa NPort IA5000A Series Telnet Man-in-the-Middle Attack Vulnerability
Description

The NPort IA5000A Series devices use Telnet as one of the network device management services. Telnet does not support the encryption of client-server communications, making it vulnerable to Man-in-the-Middle attacks.

INFO

Published Date :

May 14, 2021, 1:15 p.m.

Last Modified :

Nov. 21, 2024, 5:20 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2020-27184 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Moxa nport_ia5150a_firmware
2 Moxa nport_ia5250a_firmware
3 Moxa nport_ia5450a_firmware
4 Moxa nport_ia5150a
5 Moxa nport_ia5250a
6 Moxa nport_ia5450a

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-27184 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-27184 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020%2C
    Added Reference https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilities
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Kaspersky Labs https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020%2C [No types assigned]
    Removed Reference Kaspersky Labs https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020,
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-326 CWE-319
  • Initial Analysis by [email protected]

    May. 24, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020, No Types Assigned https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020, Broken Link
    Changed Reference Type https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilities No Types Assigned https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilities Vendor Advisory
    Added CWE NIST CWE-326
    Added CPE Configuration AND OR *cpe:2.3:o:moxa:nport_ia5150a_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.4 OR cpe:2.3:h:moxa:nport_ia5150a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:moxa:nport_ia5250a_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.4 OR cpe:2.3:h:moxa:nport_ia5250a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:moxa:nport_ia5450a_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.7 OR cpe:2.3:h:moxa:nport_ia5450a:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-27184 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.08 }} -0.00%

score

0.33894

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability