CVE-2020-14502

Name: CVE-2020-14502
Creator: NVD / NIST
Published: 2022-02-24T19:15:08.9+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2020-14502 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The web interface of the 1734-AENTR communication module is vulnerable to stored XSS. A remote, unauthenticated attacker could store a malicious script within the web interface that, when executed, could modify some string values on the homepage of the web interface.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

The web interface of the 1734-AENTR communication module is vulnerable to stored XSS. A remote, unauthenticated attacker could store a malicious script within the web interface that, when executed, could modify some string values on the homepage of the web interface.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.99%

58.1th 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-2020-14502?

How severe is CVE-2020-14502?

CVE-2020-14502 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14502?

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-2020-14502?

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

Scan your code now

Source: NVD / NIST