Is CVE-2023-42000 actively exploited?

No active exploitation of CVE-2023-42000 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-42000 be exploited remotely?

Yes. CVE-2023-42000 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-42000?

CVE-2023-42000 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-42000

CRITICAL

CVE-2023-42000

CWE-22Published: November 27, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-42000 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.