CVE-2020-14504

Name: CVE-2020-14504
Creator: NVD / NIST
Published: 2022-02-24T19:15:08.943+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2020-14504 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The web interface of the 1734-AENTR communication module mishandles authentication for HTTP POST requests. A remote, unauthenticated attacker can send a crafted request that may allow for modification of the configuration settings.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

The web interface of the 1734-AENTR communication module mishandles authentication for HTTP POST requests. A remote, unauthenticated attacker can send a crafted request that may allow for modification of the configuration settings.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.25%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rockwellautomation	1734-Aentr Point I\/O Dual Port Network Adaptor Series B Firmware	>= 4.001, <= 4.005
Rockwellautomation	1734-Aentr Point I\/O Dual Port Network Adaptor Series B Firmware	>= 5.011, <= 5.017
Rockwellautomation	1734-Aentr Point I\/O Dual Port Network Adaptor Series C Firmware	6.011
Rockwellautomation	1734-Aentr Point I\/O Dual Port Network Adaptor Series C Firmware	6.012

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-063-01Mitigation, Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-063-01Mitigation, Third Party Advisory, US Government Resource

Timeline

Published: Feb 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14504?

How severe is CVE-2020-14504?

CVE-2020-14504 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14504?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14504?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST