CVE-2020-11420

Name: CVE-2020-11420
Creator: NVD / NIST
Published: 2020-04-27T14:15:11.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.64%

Last modified Jun 17, 2026

CVE-2020-11420 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. UPS Adapter CS141 before 1.90 allows Directory Traversal. An attacker with Admin or Engineer login credentials could exploit the vulnerability by manipulating variables that reference files and by doing this achieve access to files and directories outside the web root folder. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

Description

UPS Adapter CS141 before 1.90 allows Directory Traversal. An attacker with Admin or Engineer login credentials could exploit the vulnerability by manipulating variables that reference files and by doing this achieve access to files and directories outside the web root folder. An attacker may access arbitrary files and directories stored in the file system, but integrity of the files are not jeopardized as attacker have read access rights only.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.64%

73.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Abb	Cs141 Firmware	>= 1.66, <= 1.88
Generex	Cs141 Firmware	< 1.90

References

https://library.e.abb.com/public/ee46f3ff5823400f991ebd9bd43a297e/2CMT2020-005913%20Security%20Advisory%20CS141.pdfVendor Advisory
https://www.generex.de/index.php?option=com_content&task=view&id=185&Itemid=249Release Notes, Vendor Advisory
https://www.generex.de/support/changelogs/cs141/page:2Release Notes, Vendor Advisory
https://library.e.abb.com/public/ee46f3ff5823400f991ebd9bd43a297e/2CMT2020-005913%20Security%20Advisory%20CS141.pdfVendor Advisory
https://www.generex.de/index.php?option=com_content&task=view&id=185&Itemid=249Release Notes, Vendor Advisory
https://www.generex.de/support/changelogs/cs141/page:2Release Notes, Vendor Advisory

Timeline

Published: Apr 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11420?

How severe is CVE-2020-11420?

CVE-2020-11420 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11420?

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-2020-11420?

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

Scan your code now

Source: NVD / NIST