CVE-2025-40553 | SolarWinds Web Help Desk was found to be susceptible to an u… | CVSS 9.8 CRITICAL

Description

SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.

Metadata

CVE ID: CVE-2025-40553
State: PUBLISHED
Assigner: SolarWinds
Reserved: 2025-04-16 08:01 UTC
Published: 2026-01-28 07:35 UTC
Last updated: 2026-02-27 04:55 UTC
Primary CWE: CWE-502
CWE-502 Deserialization of Untrusted Data
Vendor / Product: SolarWinds / Web Help Desk
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
SolarWinds	Web Help Desk	—	12.8.8 HF1 and below

Weakness (CWE)

CWE	Source	Description
CWE-502	cna	CWE-502 Deserialization of Untrusted Data

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)