CVE-2023-41998 — Arcserve UDP Unauthenticated RCE

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CRITICAL

Arcserve UDP Unauthenticated RCE

Published Nov 27, 2023

9.8

CRITICAL

CVSS 3.1

EPSS 15.27%

Description

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.

Affected products

Vendor Arcserve Product Arcserve UDP Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <9.2

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Arcserve

Arcserve UDP

unaffected

Version	Status	Constraints
0	affected	<9.2

Remediation

No remediation recorded yet.

Metrics

15.27% 0.15274

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.15274

Score over time

2023–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	15.27% (0.15274)	96.67th	v5 (v2026.06.15)
Jun 15, 2026	15.27% (0.15274)	96.34th	v5 (v2026.06.15)
Nov 21, 2025	15.29% (0.15294)	94.35th	v4 (v2025.03.14)
Nov 18, 2025	0.35% (0.00351)	54.71th	v4 (v2025.03.14)
Apr 17, 2025	15.29% (0.15294)	94.20th	v4 (v2025.03.14)
Apr 15, 2025	11.86% (0.11860)	93.28th	v4 (v2025.03.14)
Mar 17, 2025	0.24% (0.00244)	45.78th	v4 (v2025.03.14)
Dec 12, 2024	0.19% (0.00187)	57.28th	v3 (v2023.03.01)
Dec 2, 2023	0.11% (0.00106)	42.61th	v3 (v2023.03.01)
Nov 28, 2023	0.04% (0.00043)	7.31th	v3 (v2023.03.01)