CRITICAL

CVE-2023-42000

CVSS v3

9.8

CRITICAL

EPSS Score

1.5 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2023-42000 yet.

Full record on NVD

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.

Technical details

Published: 2023-11-27

Frequently asked questions

What is CVE-2023-42000?

Is CVE-2023-42000 actively exploited?

Active exploitation of CVE-2023-42000 has not been confirmed. Its EPSS score was 1.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

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

CVE-2023-42000 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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