Arcserve UDP Agent Path Traversal (CVE-2023-42000)

critical Nessus Plugin ID 188044


A backup application is affected by an authentication bypass vulnerability.


The Arcserve Unified Data Protection (UDP) Agent running on the remote host is affected by a path traversal vulnerability. An unauthenticated, remote attacker can exploit this, via a specially crafted message, to upload arbitrary files to any location on the file system where the product is installed.


Apply updates in accordance with vendor advisory.

See Also

Plugin Details

Severity: Critical

ID: 188044

File Name: arcserve_udp_cve-2023-42000.nbin

Version: 1.8

Type: remote

Family: CGI abuses

Published: 1/15/2024

Updated: 5/20/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2023-42000


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:arcserve:udp

Required KB Items: installed_sw/Arcserve UDP Agent

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

Patch Publication Date: 11/27/2023

Vulnerability Publication Date: 11/27/2023

Reference Information

CVE: CVE-2023-42000