What is CVE-2023-41998?

CVE-2023-41998 is a critical-severity vulnerability in Arcserve Udp, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-11-27.

How severe is CVE-2023-41998?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Arcserve Udp

CVE-2023-41998

Arcserve UDP prior to 9.2 contained a vulnerability in the com.ca.arcflash.rps.webservice.RPSService4CPMImpl interface. A routine exists that allows an attacker to upload and execute arbitrary files.

Vulnerability class: Unrestricted File Upload

Published 2023-11-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.153 (96.7th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.153 · newest: 0.153 · change: 0.000

Affected products

Arcserve Udp — versions 0
Arcserve Udp

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.tenable.com/security/research/tra-2023-37 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-41998?: CVE-2023-41998 is a critical-severity vulnerability in Arcserve Udp, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-11-27.
How severe is CVE-2023-41998?: Critical severity. CVSS v3 base score is 9.8 out of 10.