CVE-2020-11420: abb cs141_firmware Path Traversal

Vulnerability summary

CVE-2020-11420 is a medium (CVSS 6.5) Path Traversal vulnerability in abb cs141_firmware. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 76.1% of scored vulnerabilities.

Timeline

1. 27-04-2020
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.