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CVE-2025-40551— SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability

CVSS 9.8 · Critical KEV EPSS 86.67% · P99
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I. Basic Information for CVE-2025-40551

Vulnerability Information
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Vulnerability Title
SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
SolarWinds Web Help Desk 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SolarWinds Web Help Desk是美国SolarWinds公司的一套服务台和资产管理软件。该软件支持集中式知识库、IT资产管理、项目和任务管理等功能。 SolarWinds Web Help Desk存在代码问题漏洞，该漏洞源于不可信数据反序列化，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

VendorProductAffected VersionsCPESubscribe
SolarWindsWeb Help Desk 12.8.8 HF1 and below -

II. Public POCs for CVE-2025-40551

#POC DescriptionSource LinkShenlong Link
1SolarWinds Web Help Desk before version 2026.1 contains an insecure deserialization vulnerability in the jabsorb JSON-RPC library. When chained with a CSRF whitelist bypass (CVE-2025-40536), remote unauthenticated attackers can exploit JNDI injection via the Apache Xalan JNDIConnectionPool class to achieve remote code execution. The bypass involves including "/ajax/" in a query parameter to circumvent URI validation, while switching from "/ajax/" to "/wo/" endpoints bypasses payload sanitization routines. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-40551.yamlPOC Details
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III. Intelligence Information for CVE-2025-40551

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Same Patch Batch · SolarWinds · 2026-01-28 · 6 CVEs total

CVE-2025-405539.8 CRITICALSolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerabi
CVE-2025-405529.8 CRITICALSolarWinds Web Help Desk Authentication Bypass Vulnerability
CVE-2025-405549.8 CRITICALSolarWinds Web Help Desk Authentication Bypass Vulnerability
CVE-2025-405368.1 HIGHSolarWinds Web Help Desk Security Control Bypass Vulnerability
CVE-2025-405377.5 HIGHSolarWinds Web Help Desk Hardcoded Credentials Vulnerability

IV. Related Vulnerabilities

Same product: Web Help Desk
Same vendor: SolarWinds
Same weakness: CWE-502

V. Comments for CVE-2025-40551

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