CVE-2021-29100: ArcGIS Earth has a File Parsing Directory Traversal Vulnerability

Vulnerability summary

CVE-2021-29100 is a high (CVSS 7.8) Relative Path Traversal vulnerability in esri arcgis_earth. EPSS estimates a 1.14% chance of exploitation in the next 30 days, higher than 66.3% of scored vulnerabilities.

Timeline

1. 05-05-2021
   PublishedVulnerability first disclosed.
2. 10-04-2025
   Last modifiedVulnerability information updated.

Description

A path traversal vulnerability exists in Esri ArcGIS Earth versions 1.11.0 and below which allows arbitrary file creation on an affected system through crafted input. An attacker could exploit this vulnerability to gain arbitrary code execution under security context of the user running ArcGIS Earth by inducing the user to upload a crafted file to an affected system.

• CWE-23Relative Path TraversalThe product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.
• 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.