CVE-2023-42000: arcserve arcserve udp Path Traversal

Vulnerability summary

CVE-2023-42000 is a critical (CVSS 9.8) Path Traversal vulnerability in arcserve arcserve udp. EPSS estimates a 1.47% chance of exploitation in the next 30 days, higher than 73.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 27-11-2023
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

Arcserve UDP prior to 9.2 contains a path traversal vulnerability in com.ca.arcflash.ui.server.servlet.FileHandlingServlet.doUpload(). An unauthenticated remote attacker can exploit it to upload arbitrary files to any location on the file system where the UDP agent is installed.

• 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.